{"title":"Homepage — Featured","description":"Curated homepage featured grid (Batch 1). Magnets first, then quiet converters, then curiosity tests (positions 8-10). Internal merchandising collection, not for navigation.","products":[{"product_id":"neuron","title":"neuron necklace | silver","description":"\u003ch2\u003eNeuron necklace | sterling silver\u003c\/h2\u003e\n\u003cp\u003eThe human brain holds roughly 86 billion neurons, each firing through the same basic architecture: cell body, dendrites, axon, synaptic terminals. The unit that took most of the twentieth century to understand and now anchors most of neuroscience. Worn here as a 39 mm sterling silver pendant.\u003c\/p\u003e\n\u003ch2 style=\"margin-top: 2em;\"\u003eThe Science Behind the Neuron\u003c\/h2\u003e\n\u003cp\u003eThe neuron doctrine, the principle that the brain is composed of discrete cellular units rather than a continuous reticulum, was settled by Santiago Ramón y Cajal's silver-staining studies in the 1880s and 1890s. Cajal's silver impregnation revealed individual neurons in cortex, cerebellum, retina, and spinal cord, settling a long debate with Camillo Golgi (who maintained the reticular theory). The two shared the 1906 Nobel Prize in Physiology or Medicine. Each neuron computes through dendritic input integration, cell-body summation, and axonal action potential propagation, with myelination by oligodendrocytes (CNS) or Schwann cells (PNS) speeding conduction. Synapse counts in the human cortex run between 10¹⁴ and 10¹⁵. The diversity is enormous: pyramidal cells, interneurons, motor neurons, sensory neurons, Purkinje cells, granule cells, each tuned to a particular computational role.\u003c\/p\u003e\n\u003ch2 style=\"margin-top: 2em;\"\u003eWho Tends to Wear This\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eneuroscientists across systems, cellular, molecular, and computational subfields\u003c\/li\u003e\n\u003cli\u003eneurologists and clinical neuroscience trainees\u003c\/li\u003e\n\u003cli\u003emedical and graduate students learning the neuron doctrine and synaptic transmission\u003c\/li\u003e\n\u003cli\u003escience communicators and educators teaching brain biology\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor someone who knows that Cajal's silver-staining method is part of why the silver version reads cleanly here, and for whom the neuron is the unit that frames an entire field rather than just a textbook image.\u003c\/p\u003e\n\u003ch2 style=\"margin-top: 2em;\"\u003eExplore Related Neuroscience Jewelry\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/neuron-18k-gold-plated\"\u003eNeuron necklace | gold vermeil\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/neuron-earrings\"\u003eNeuron earrings | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/purkinje-cell\"\u003ePurkinje cell necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/spindle-neuron\"\u003eSpindle neuron necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/sagittal-brain-18k-gold-plated\"\u003eSagittal brain necklace | gold vermeil\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq\"\u003e\n\u003ch2 style=\"margin-top:2em;\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhy is silver the right material for a neuron pendant?\u003c\/h3\u003e\n\u003cp\u003eBeyond aesthetic preference, the silver version carries a quiet methodological link. Cajal's 1873 silver-staining technique, developed to visualise individual neurons, made the neuron doctrine possible. The whole modern picture of the brain as a network of discrete cells rests on a metallic stain. The silver pendant catches that history without leaning on it. Buyers in working neuroscience tend to recognise the link without needing it explained.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eIs the neuron pendant for any specific subfield?\u003c\/h3\u003e\n\u003cp\u003eIt works across most of neuroscience because the cell type is the foundational unit. Cellular neuroscientists and electrophysiologists buy it as a working reference. Systems and cognitive neuroscientists buy it as the iconic image of the field. Clinical neuroscientists and neurologists buy it as the molecular substrate of the conditions they treat. Educators buy it because the neuron is the first thing a student learns and the last thing they forget.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhat size is the pendant and what chain comes with it?\u003c\/h3\u003e\n\u003cp\u003e925 sterling silver, 39 mm pendant on a 45 cm sterling silver chain (ø 1.8 mm) with a 5 cm extender. Nickel-free and hypoallergenic. Free worldwide DHL Express in 1-5 business days, with all import duties and taxes covered. 30-day “Love It or Return It” returns.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eIs there a gold version?\u003c\/h3\u003e\n\u003cp\u003eYes. The same neuron is available in \u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/neuron-18k-gold-plated\"\u003e18K gold vermeil\u003c\/a\u003e at the same scale and chain length. Silver tends to suit working clinical and lab wear (and carries the Cajal stain link). Gold tends to suit graduation, retirement, or a major appointment in neuroscience or clinical neurology.\u003c\/p\u003e\n\u003c\/section\u003e\n","brand":"sciencejewelry1824","offers":[{"title":"Default Title","offer_id":26420321479,"sku":"NK0239-S","price":155.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1411\/4806\/files\/silver_neuron_necklace.png?v=1727355888"},{"product_id":"horizontal-dna","title":"DNA necklace H | silver","description":"\u003ch2\u003eDNA necklace H | sterling silver\u003c\/h2\u003e\n\u003cp\u003eTwo backbones, ten base pairs per turn, one continuous spiral. The horizontal pendant captures the double helix at its most readable, both strands extended at full width with the major and minor grooves spread across the pendant. Sterling silver, 30 mm, the form of the molecule everyone draws on a whiteboard.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top:2em;\"\u003eThe Science Behind the Horizontal Helix\u003c\/h2\u003e\n\u003cp\u003eThe major groove and the minor groove are the two channels running along the helix where the backbone strands sit farther apart or closer together. The major groove is wide enough for proteins to read the DNA sequence directly, without separating the strands. That is how every transcription factor finds its target gene, how restriction enzymes locate their cut sites, how zinc-finger and homeodomain proteins recognise their motifs. The minor groove is narrower and harder to read directly, but several drugs slide into it and disrupt DNA function from there: distamycin, netropsin, and a class of antibiotics that target bacterial replication. The horizontal orientation of this pendant shows both grooves clearly because the helix sits with its full width visible. It is also the orientation almost everyone draws by default, the textbook form, the conference-poster form, the classroom-whiteboard form.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top:2em;\"\u003eThe Audience\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003emolecular biologists, structural biologists, and biophysicists\u003c\/li\u003e\n\u003cli\u003egenetics researchers and biotech professionals\u003c\/li\u003e\n\u003cli\u003ebiology and medical students through their first genetics rotation\u003c\/li\u003e\n\u003cli\u003escience teachers and communicators who draw the helix every week\u003c\/li\u003e\n\u003cli\u003eanyone whose work or family history makes the molecule personal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMost often picked up by working scientists who want the molecule on them in the lab and at conferences. Sterling silver because gold reads as the gift version of the same piece.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top:2em;\"\u003eExplore Related Genetics Jewelry\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/horizontal-dna-18k-gold-plated\"\u003eDNA necklace H | gold vermeil\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/dna\"\u003eDNA necklace V | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/dna-18k-gold-plated\"\u003eDNA necklace V | gold vermeil\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/circular-dna\"\u003eCircular DNA necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/dna-earrings\"\u003eDNA earrings | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003csection class=\"product-faq\"\u003e\n\u003ch2 style=\"margin-top:2em;\"\u003eFAQ\u003c\/h2\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhat's the difference between the horizontal and vertical DNA necklaces?\u003c\/h3\u003e\n\u003cp\u003eThe molecule is identical. The orientation isn't, and neither is the way the chain attaches. The horizontal version (H, this one) is 30 mm wide, with the helix laid horizontally and the chain attaching at two side loops, one at each end of the helix. Both backbones extend at full width across the pendant, with the major and minor grooves spread across the visible face. The vertical version (V) is 20 mm tall, with the helix oriented vertically and the chain attached at a single loop on top, so the pendant dangles in textbook-column orientation. Both show the molecule from the side. H tends to be the choice when people want the structure unmistakable from across a room. V tends to be the choice when they want it more discreet.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhy do the major and minor grooves matter?\u003c\/h3\u003e\n\u003cp\u003eThe major groove is wide enough for proteins to read the DNA sequence without unwinding the helix. That is how every transcription factor finds its target gene, how restriction enzymes recognise their cut sites, and how some antibiotics target bacterial replication. The minor groove is narrower and harder for proteins to read directly, but several drugs slide into it and disrupt DNA function from there. The horizontal pendant shows both grooves clearly because the helix sits with its full width visible. At any other orientation, one groove obscures the other.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhat size is the pendant and what does it ship with?\u003c\/h3\u003e\n\u003cp\u003eThe pendant is 30 mm wide in sterling silver (925), nickel-free and hypoallergenic, on a 45 cm sterling silver chain (1.8 mm width, lobster clasp) with a 5 cm extender, so it sits at the collarbone or a little below. Free worldwide DHL Express shipping in 1-5 business days, all import duties covered, in a ready-to-gift jewelry box.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhich DNA necklace is right for me: H silver, H gold, V silver, or V gold?\u003c\/h3\u003e\n\u003cp\u003ePick by orientation first, material second. If you want the helix unmistakable from across a room, go horizontal (H). If you want it discreet, go vertical (V). After that, sterling silver reads as the working scientist's everyday choice, the lab and conference piece. Gold vermeil reads as the milestone version of the same molecule, more often picked as a gift or after a defence. The silver H, this one, is the most-bought of the four. It is the form most people picture when they think of DNA jewelry.\u003c\/p\u003e\n\u003c\/section\u003e\n","brand":"sciencejewelry1824","offers":[{"title":"Default Title","offer_id":26432752327,"sku":"NK0097-S","price":155.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1411\/4806\/files\/dna-necklace-h-silver-necklaces-science-jewelry-sciencejewelry1824-51351786160476.png?v=1698775995"},{"product_id":"microscope","title":"microscope necklace | silver","description":"\u003ch2\u003eMicroscope necklace | sterling silver\u003c\/h2\u003e\n\u003cp\u003eIn 1665, Robert Hooke published Micrographia, the first illustrated book of microscope observations, and coined the word cell from the boxlike compartments he saw in cork. The instrument that opened the sub-visible world to systematic study, in 18 mm of sterling silver. The pendant version of the four-format microscope family.\u003c\/p\u003e\n\u003ch2 style=\"margin-top: 2em;\"\u003eThe Science Behind the Microscope\u003c\/h2\u003e\n\u003cp\u003eThe compound microscope was developed in Middelburg in the late 1500s, with the Janssen brothers credited as among the earliest builders. Robert Hooke's Micrographia in 1665 was the first systematic publication of microscope observations and gave biology the word \"cell\" from the compartmental shapes he saw in cork sections. Single-lens microscopes built by Antonie van Leeuwenhoek in the 1670s and 1680s achieved magnifications around 270x and revealed bacteria, red blood cells, sperm, and protozoa. Achromatic objectives in the 1830s solved chromatic aberration and made high-magnification work routine. Phase contrast (Zernike, 1930s), differential interference contrast, confocal laser scanning, and electron microscopy followed. Modern fluorescence microscopy and super-resolution techniques (STED, STORM, Nobel Prize 2014) have pushed the resolution limit well below the diffraction barrier that bounded optical microscopy for two centuries.\u003c\/p\u003e\n\u003ch2 style=\"margin-top: 2em;\"\u003eWho Reaches For This\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ecell biologists, microbiologists, and pathologists\u003c\/li\u003e\n\u003cli\u003emicroscopy specialists and imaging-core staff\u003c\/li\u003e\n\u003cli\u003ehistotechnologists and laboratory scientists\u003c\/li\u003e\n\u003cli\u003escience educators and microscopy enthusiasts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMost often given to a working microscopist or a histology technician, where the pendant reads as identification rather than ornament.\u003c\/p\u003e\n\u003ch2 style=\"margin-top: 2em;\"\u003eExplore Related Medical \u0026amp; Lab Tools Jewelry\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/microscope-18k-gold-plated\"\u003eMicroscope necklace | gold vermeil\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/microscope-1\"\u003eMicroscope bracelet charm | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/microscope-earrings\"\u003eMicroscope earrings | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/petri-dish\"\u003ePetri dish necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/eppendorf\"\u003eEppendorf necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq\"\u003e\n\u003ch2 style=\"margin-top:2em;\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhy a microscope rather than a more specific lab tool?\u003c\/h3\u003e\n\u003cp\u003eBecause the microscope is the instrument that defines an entire family of working scientific lives. Cell biologists, microbiologists, pathologists, and histotechnologists all spend most of their day at one. The pendant works as identification across that whole audience without picking a specialty. The Eppendorf, scalpel, and pipette are more specialty-bound. The microscope sits closer to the universal-fit instrument for anyone whose work depends on optical magnification.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhy does Hooke get credit for the word \"cell\" given that Van Leeuwenhoek did the more striking observations?\u003c\/h3\u003e\n\u003cp\u003eBecause Hooke published first, in a way that systematised the new observations into a book that other scientists could read and build on. Micrographia in 1665 framed the microscope as an instrument of methodical investigation, and the word \"cell\" entered biology from his cork sections. Van Leeuwenhoek's observations were more striking biologically (he saw bacteria first), but they appeared as letters to the Royal Society rather than a published treatise. Both got their due in the historical record. The \"cell\" word, and the framing of the microscope as a research instrument, went to Hooke.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhat size is the pendant and what chain comes with it?\u003c\/h3\u003e\n\u003cp\u003e925 sterling silver, 18 mm pendant on a 45 cm sterling silver chain with a 5 cm extender. The smaller pendant scale sits as a quiet daily-wear piece rather than a statement piece. Nickel-free and hypoallergenic. Free worldwide DHL Express in 1-5 business days, with all import duties and taxes covered. 30-day “Love It or Return It” returns.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eIs there a gold version, or matching earrings or bracelet?\u003c\/h3\u003e\n\u003cp\u003eAll three. The same microscope is available in \u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/microscope-18k-gold-plated\"\u003e18K gold vermeil\u003c\/a\u003e as a pendant, in \u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/microscope-earrings\"\u003esilver leverback earrings\u003c\/a\u003e, and as a \u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/microscope-1\"\u003esilver bracelet charm\u003c\/a\u003e on a Pandora-compatible chain. Four formats of the same instrument, often combined as a graduation set for a working microscopist.\u003c\/p\u003e\n\u003c\/section\u003e\n","brand":"sciencejewelry1824","offers":[{"title":"Default Title","offer_id":26435179207,"sku":"NK0223-S","price":155.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1411\/4806\/files\/microscope-necklace-silver-necklaces-science-jewelry-sciencejewelry1824-51356911993180.png?v=1698846188"},{"product_id":"stethoscope","title":"stethoscope necklace | silver","description":"\u003ch2\u003eStethoscope necklace | sterling silver\u003c\/h2\u003e\n\u003cp\u003eThe stethoscope hung around a clinician's neck is the one object that says \"doctor\" across every language and culture on Earth. For decades, it is the first thing medical students buy and the last thing they set down. In an age of imaging and digital diagnostics, auscultation (listening directly to the body) remains unchanged.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top: 2em;\"\u003eThe Science Behind the Stethoscope\u003c\/h2\u003e\n\u003cp\u003eThe modern stethoscope was invented in its binaural form by George Philip Cammann in New York in 1851, building on René Laennec's 1816 discovery that a paper tube transmitted heart sounds better than direct auscultation. Acoustic stethoscopes use a diaphragm tuned to high-frequency sounds (35-2000 Hz) and a bell tuned to low frequencies (10-600 Hz) on a single chestpiece, allowing clinicians to detect heart murmurs, lung crackles, and pathological bruits. Electronic stethoscopes, developed in the late 20th century, amplify and digitise these sounds, enabling telemedicine and noise reduction. The fundamental skill remains unchanged: interpreting sound to diagnose.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top: 2em;\"\u003eWho Tends to Wear This\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003edoctors, physicians, and medical students\u003c\/li\u003e\n\u003cli\u003enurses, paramedics, and other frontline clinical professionals\u003c\/li\u003e\n\u003cli\u003eanyone who has just qualified or is mid-training in medicine\u003c\/li\u003e\n\u003cli\u003eanyone buying for someone who chose a life listening to others\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"margin-top: 2em;\"\u003eExplore Related Medical Jewelry\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/rod-of-asclepius\"\u003eRod of Asclepius necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/scalpel\"\u003eScalpel necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/dental-mirror\"\u003eDental Mirror necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/syringe\"\u003eSyringe necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003csection class=\"product-faq\"\u003e\n\u003ch2 style=\"margin-top: 2em;\"\u003eFAQ\u003c\/h2\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhat does the stethoscope represent in medicine?\u003c\/h3\u003e\n\u003cp\u003eListening. The first and still one of the most powerful tools in diagnosis. Before imaging, before labs, a clinician places a stethoscope and listens to the heart, lungs, and abdomen. That act is the foundation of medicine.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWho actually wears this every day?\u003c\/h3\u003e\n\u003cp\u003ePhysicians, nurses, physician assistants, cardiologists, pulmonologists, and any clinician who still relies on auscultation. Also bought by people who trained for years to use one and want something that says they did.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhat size, material, and chain?\u003c\/h3\u003e\n\u003cp\u003eSterling silver pendant at 33 mm, nickel-free and hypoallergenic. 45 cm sterling silver chain with a 5 cm extender and lobster clasp. Ships free worldwide via DHL Express in 1-5 business days. Comes in a ready-to-gift jewelry box with the 30-day “Love It or Return It” policy.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eIs there a gold version?\u003c\/h3\u003e\n\u003cp\u003eNot currently in stock, but we can discuss custom orders. Email us with requests for gold vermeil, solid gold, or any material variations.\u003c\/p\u003e\n\n\u003c\/section\u003e","brand":"sciencejewelry1824","offers":[{"title":"Default Title","offer_id":26498215239,"sku":"NK0342-S","price":145.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1411\/4806\/files\/stethoscope_necklace_silver.png?v=1726825312"},{"product_id":"oxytocin-flat","title":"oxytocin necklace | silver","description":"\u003ch2\u003eOxytocin necklace | sterling silver\u003c\/h2\u003e\n\u003cp\u003eOxytocin is the molecule that holds humans together. Labour contractions and milk letdown at birth. Mother-infant attachment in the first hours of life. Pair bonding, social trust, the neurochemistry of touch and recognition. One small peptide doing the work that holds families and partnerships together.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top: 2em;\"\u003eThe Science Behind Oxytocin\u003c\/h2\u003e\n\u003cp\u003eOxytocin is a cyclic nonapeptide with the sequence Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH2, with a disulfide bond between the two cysteine residues at positions 1 and 6. Vincent du Vigneaud determined oxytocin's structure and synthesized it in 1953, the first peptide hormone to be sequenced and synthesized, earning him the 1955 Nobel Prize in Chemistry. Oxytocin's structural relative, vasopressin (antidiuretic hormone), differs at only two amino acid positions yet has entirely different functions: vasopressin regulates water retention and vasoconstriction, while oxytocin drives labour contractions and social bonding. The structural similarity creates some cross-reactivity at each other's receptors. Oxytocin is used clinically as Pitocin for labour induction and postpartum haemorrhage, saving countless lives since its synthesis.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top: 2em;\"\u003eA Quiet Symbol For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ebiochemists and peptide chemists who have studied peptide synthesis\u003c\/li\u003e\n\u003cli\u003eobstetricians and reproductive medicine specialists\u003c\/li\u003e\n\u003cli\u003eneuroscientists studying social behaviour and bonding\u003c\/li\u003e\n\u003cli\u003eanyone who wants to carry the first peptide hormone ever synthesized\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"margin-top: 2em;\"\u003eExplore Related Molecules Jewelry\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/oxytocin-18k-gold-plated\"\u003eOxytocin necklace | gold vermeil\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/oxytocin-3d-1\"\u003eOxytocin 3D necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/dopamine\"\u003eDopamine necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/serotonin-vertical\"\u003eSerotonin necklace V | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003csection class=\"product-faq\"\u003e\n\u003ch2 style=\"margin-top: 2em;\"\u003eFAQ\u003c\/h2\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWould a peptide chemist recognise this?\u003c\/h3\u003e\n\u003cp\u003eYes. Oxytocin is the landmark peptide. Du Vigneaud's synthesis proved you could make a complex peptide hormone with biological activity using chemistry alone. For anyone who has studied peptide chemistry or biochemistry, this ring shape is the definition of achievement.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhat is the difference between this flat version and the 3D structure?\u003c\/h3\u003e\n\u003cp\u003eThe flat version shows the amino acid sequence and the disulfide bond in two dimensions, emphasizing chemical identity and the ring closure. The 3D version shows the actual three-dimensional conformation and molecular geometry. Both are accurate. One is schematic, one is sculptural. Many buy both to show the progression from sequence to structure.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhat size, material, and chain?\u003c\/h3\u003e\n\u003cp\u003e62 mm pendant in 925 polished sterling silver, nickel-free and hypoallergenic. 45 cm sterling silver chain with 5 cm extender. Ships free worldwide via DHL Express in 1-5 business days. Comes ready-to-gift with the 30-day “Love It or Return It” policy.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eIs the gold version the same size?\u003c\/h3\u003e\n\u003cp\u003eYes. Oxytocin flat is available in 18k gold vermeil at 62 mm. Same Nobel-winning peptide structure, same ring closure, same meaning. Material is the only difference. Many biochemists pair both the silver and gold as a tribute to du Vigneaud's achievement.\u003c\/p\u003e\n\n\u003c\/section\u003e","brand":"sciencejewelry1824","offers":[{"title":"Default Title","offer_id":26503846535,"sku":"NK0257-S","price":175.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1411\/4806\/files\/oxytocin-necklace-silver-necklaces-science-jewelry-sciencejewelry1824-51377614127452.png?v=1699008553"},{"product_id":"dopamine-serotonin-interlocked-1","title":"dopamine serotonin necklace H | silver","description":"\u003ch2\u003eDopamine serotonin necklace H | sterling silver\u003c\/h2\u003e\n\u003cp\u003eThe horizontal version of the interlocked design, the silver counterpart to the gold-H pendant. Daily-wear scale for someone whose work runs on the dopamine-serotonin axis: psychiatry, neurology, neuropharmacology, the wide field where these two molecules balance against each other across most of clinical practice. Worn here as a 40 mm sterling silver pendant.\u003c\/p\u003e\n\u003ch2 style=\"margin-top: 2em;\"\u003eThe Science Behind Dopamine and Serotonin\u003c\/h2\u003e\n\u003cp\u003eDopamine is synthesised in the substantia nigra and ventral tegmental area, with the nigrostriatal pathway controlling movement and the mesolimbic pathway encoding reward and motivation. L-DOPA replaces what is lost in Parkinson's disease. Serotonin (5-hydroxytryptamine) is synthesised mostly in the raphe nuclei in the brainstem, projecting widely across cortex and limbic structures, and modulates mood, sleep, satiety, and impulse control. Selective serotonin reuptake inhibitors are the most-prescribed class of antidepressants. The two systems balance against each other across a wide range of psychiatric and neurological conditions, which is why most psychotropic pharmacology targets one or both.\u003c\/p\u003e\n\u003ch2 style=\"margin-top: 2em;\"\u003eWho Will Recognise It\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003epsychiatrists and clinical psychologists working with monoamine pharmacology\u003c\/li\u003e\n\u003cli\u003eneurologists at the dopamine end of the axis (movement disorders, Parkinson's)\u003c\/li\u003e\n\u003cli\u003eneuropharmacologists and translational researchers\u003c\/li\u003e\n\u003cli\u003emedical students and residents learning the dopamine and serotonin systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe silver-H is the working clinical pair partner to the gold-H milestone version, picked daily by clinicians who prefer the horizontal hang or who already own the silver-V.\u003c\/p\u003e\n\u003ch2 style=\"margin-top: 2em;\"\u003eExplore Related Molecules Jewelry\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/dopamine-serotonin-interlocked\"\u003eDopamine serotonin necklace V | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/dopamine-serotonin-interlocked-18k-gold-plated\"\u003eDopamine serotonin necklace H | gold vermeil\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/dopamine-serotonin-interlocked-18k-gold-plated-1\"\u003eDopamine serotonin necklace V | gold vermeil\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/dopamine\"\u003eDopamine necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/serotonin-vertical\"\u003eSerotonin necklace V | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq\"\u003e\n\u003ch2 style=\"margin-top:2em;\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhat's the difference between H and V interlocked silver?\u003c\/h3\u003e\n\u003cp\u003eThe orientation, not the molecules. The horizontal (H) version sits across the chest with the longer dimension running left-to-right. The vertical (V) version hangs along the chest axis with the longer dimension running top-to-bottom. Same dopamine and serotonin structures, same 40 mm pendant size, same chain length. The choice is aesthetic. H tends to suit a fuller chest line and a slightly more conversational visual. V tends to suit longer necklines and a more formal hang.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhy does the silver-H matter when the gold-H exists?\u003c\/h3\u003e\n\u003cp\u003eBecause silver and gold mark different occasions in this catalogue. The gold-H reads as recognition, given at milestones in psychiatry or neurology. The silver-H is the daily clinical-wear pair partner: same orientation, working scale for a lab coat or a clinical setting. Many of the people who already own the gold version eventually pick up the silver for the working day, or the other way round.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhat size is the pendant and what chain comes with it?\u003c\/h3\u003e\n\u003cp\u003e925 sterling silver, 40 mm pendant on a 45 cm sterling silver chain with a 5 cm extender. Nickel-free and hypoallergenic. Free worldwide DHL Express in 1-5 business days, with all import duties and taxes covered. 30-day “Love It or Return It” returns.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eAre there other versions of the interlocked design?\u003c\/h3\u003e\n\u003cp\u003eYes. The full set is available as \u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/dopamine-serotonin-interlocked\"\u003esilver V\u003c\/a\u003e, this silver H, \u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/dopamine-serotonin-interlocked-18k-gold-plated\"\u003egold H\u003c\/a\u003e, and \u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/dopamine-serotonin-interlocked-18k-gold-plated-1\"\u003egold V\u003c\/a\u003e. Same 40 mm pendant across all four, same interlocked geometry, four ways to wear it depending on material preference and orientation.\u003c\/p\u003e\n\u003c\/section\u003e\n","brand":"sciencejewelry1824","offers":[{"title":"Default Title","offer_id":50478250887,"sku":"NK0108-S","price":160.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1411\/4806\/files\/silver_dopamine_serotonin_necklace.png?v=1727338825"},{"product_id":"anatomical-heart-necklace","title":"anatomical heart necklace | silver","description":"\u003ch2\u003eAnatomical heart necklace | sterling silver\u003c\/h2\u003e\n\u003cp\u003eAn anatomical heart necklace for cardiologists, surgeons, and anyone who prefers the real thing to the cartoon. The four-chambered pump that beats roughly 100,000 times a day without instruction, in sterling silver.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top:2em;\"\u003eThe Anatomy of the Heart\u003c\/h2\u003e\n\u003cp\u003eThe heart is two pumps in one organ. The right side moves deoxygenated blood to the lungs, the left side pushes oxygenated blood through the body. Four chambers, four valves, and a small bundle of specialised cells in the right atrium that sets the rhythm. The structure most people draw with two curves and a dimple is, in fact, an asymmetric muscle about the size of a closed fist, sitting slightly left of centre and tilted forward. The pendant follows the real anatomy: apex pointing down, two atria above, two ventricles below, the great vessels exiting at the top.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top:2em;\"\u003eA Meaningful Gift for Science Lovers\u003c\/h2\u003e\n\u003cp\u003eFor the people who study, treat, or repair the heart for a living.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ecardiologists, cardiac surgeons, and electrophysiologists\u003c\/li\u003e\n\u003cli\u003enurses and technicians in cardiac care or perfusion\u003c\/li\u003e\n\u003cli\u003emedical students and residents through the cardiology rotation\u003c\/li\u003e\n\u003cli\u003epartners or parents of anyone in the above list\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor the colleague who knows the difference between a textbook heart and a real one.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top:2em;\"\u003eExplore Related Human Anatomy Jewelry\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/heart-18k-gold-plated\"\u003eAnatomical heart necklace | gold vermeil\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/ventricular-system-necklace-gold-vermeil\"\u003eVentricular system necklace | gold vermeil\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/heartbeat\"\u003eHeartbeat necklace | sterling silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/electrical-circuit-of-heart\"\u003eElectrical circuit of the heart necklace\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003csection class=\"product-faq\"\u003e\n\u003ch2 style=\"margin-top:2em;\"\u003eFAQ\u003c\/h2\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWho is this anatomical heart necklace for?\u003c\/h3\u003e\n\u003cp\u003eIt tends to land with cardiologists, cardiac surgeons, and electrophysiologists, but also with the wider circle around them: cardiac nurses, perfusionists, medical students mid-rotation, and the partners who have learned the difference between an MI and an arrhythmia by osmosis. It also speaks to anyone who finds the cartoon heart a bit thin and prefers the real one.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhy doesn't a real heart look like a heart shape?\u003c\/h3\u003e\n\u003cp\u003eThe classic heart symbol probably has nothing to do with the organ. The most common theory traces it to silphium, an extinct plant from ancient Cyrene whose seedpod looked exactly like a Valentine. The real heart is asymmetric, with a rounded base and a pointed apex tilted to the left. Once you have seen one, the cartoon version stops looking right.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhat size and chain does this come with?\u003c\/h3\u003e\n\u003cp\u003eThe pendant is 20 mm and weighs roughly the same as a coin. It sits on a 45 cm sterling silver chain with a 5 cm extender, so it works at collarbone or just below. Free worldwide DHL Express shipping in 1-5 business days, all import duties included, ships in a ready-to-gift jewelry box.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eIs the anatomy accurate enough for a medical professional?\u003c\/h3\u003e\n\u003cp\u003eYes. The proportions, the chamber positions, and the great vessels are modelled on a real heart, not a stylised one. It will pass inspection from someone who has held one. If accuracy is the worry, this is the version you want.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"sciencejewelry1824","offers":[{"title":"Default Title","offer_id":52035665927,"sku":"NK0168-S","price":200.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1411\/4806\/files\/anatomical_correct_heart_necklace_silver.png?v=1726840321"},{"product_id":"rod-of-asclepius","title":"rod of Asclepius necklace | silver","description":"\u003ch2\u003eRod of Asclepius necklace | sterling silver\u003c\/h2\u003e\n\u003cp\u003eA Rod of Asclepius necklace for doctors, nurses, and medical students who carry the actual symbol of medicine, not the wing-and-double-snake one that pharmacies sometimes use by mistake. A single serpent on a staff, in sterling silver.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top:2em;\"\u003eThe Symbol Behind the Rod\u003c\/h2\u003e\n\u003cp\u003eAsclepius was the Greek physician-god, son of Apollo, taught medicine by the centaur Chiron. His followers ran healing temples, the asclepieia, where patients slept overnight in the hope of a curative dream. The single serpent coiled around a wooden staff is his symbol and has been the established symbol of medicine for more than two thousand years. The two-snaked, winged caduceus is the staff of Hermes, god of commerce and messengers. The two get confused, especially in the United States. The rod, with one snake, is the right one.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top:2em;\"\u003eA Meaningful Gift for Science Lovers\u003c\/h2\u003e\n\u003cp\u003eFor the people who have spent a decade earning the right to wear it.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ephysicians and surgeons across every specialty\u003c\/li\u003e\n\u003cli\u003enurses, physician assistants, and paramedics\u003c\/li\u003e\n\u003cli\u003emedical students and residents at any stage\u003c\/li\u003e\n\u003cli\u003eparents and partners of any of the above, for graduations and milestones\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor someone who has just been called doctor for the first time, or for someone who has been one long enough to know exactly which symbol to insist on.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top:2em;\"\u003eExplore Related Medical Symbol Jewelry\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/rod-of-asclepius-18k-gold-plated\"\u003eRod of Asclepius necklace | gold vermeil\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/caduceus\"\u003eCaduceus necklace | sterling silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/heartbeat\"\u003eHeartbeat necklace | sterling silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/syringe\"\u003eSyringe necklace | sterling silver\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003csection class=\"product-faq\"\u003e\n\u003ch2 style=\"margin-top:2em;\"\u003eFAQ\u003c\/h2\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eIs this the right symbol for a doctor, or is it the caduceus?\u003c\/h3\u003e\n\u003cp\u003eThis is the right one. The Rod of Asclepius (one snake, plain wooden staff) is the established medical symbol used by the World Health Organisation, the British Medical Association, and most professional medical bodies worldwide. The caduceus (two snakes, winged staff) belongs to Hermes and signals commerce. They are routinely mixed up, especially in the US. Anyone studying or practising medicine will know the difference.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhy a snake, and why on a staff?\u003c\/h3\u003e\n\u003cp\u003eSnakes shed their skin and emerge whole, which the Greeks read as a symbol of renewal and healing. Snakes were also used in the asclepieia, the ancient healing temples, where patients slept in the presence of harmless serpents in the hope of recovery. The staff itself is the everyday walking stick of an ancient physician travelling between patients. Together: a doctor's tool plus the animal of healing.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhat size is the pendant and what does it ship with?\u003c\/h3\u003e\n\u003cp\u003eThe pendant is 33 mm, sized to read clearly on the chest without being heavy. It comes on a 45 cm sterling silver chain (1.8 mm, lobster clasp) with a 5 cm extender, so it works open-collar or under a stethoscope. Free worldwide DHL Express shipping in 1-5 business days, all duties included, in a ready-to-gift jewelry box.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eIs this appropriate for a graduation gift?\u003c\/h3\u003e\n\u003cp\u003eIt is one of the few symbols that doesn't feel generic at a medical-school graduation. The new graduate has spent six to ten years earning the right to wear it, and this is the correct version. Pairs naturally with a personal note that names the date and the specialty. The pendant itself is durable enough for daily clinic wear from the first morning.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"sciencejewelry1824","offers":[{"title":"Default Title","offer_id":13550434648127,"sku":"NK0305-S","price":150.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1411\/4806\/files\/rod-of-asclepius-necklace-silver-necklaces-science-jewelry-sciencejewelry1824-51400851718492.png?v=1699255154"},{"product_id":"chlorophyll","title":"chlorophyll necklace | silver","description":"\u003ch2\u003eChlorophyll necklace | sterling silver\u003c\/h2\u003e\n\u003cp\u003eIf you trained on photosynthesis you know chlorophyll is the reason your food exists. The magnesium-centered porphyrin captures red and blue light to power the reaction that produces virtually all atmospheric oxygen and the base of nearly every food chain on Earth.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top: 2em;\"\u003eThe Science Behind Chlorophyll\u003c\/h2\u003e\n\u003cp\u003eChlorophyll is a porphyrin ring with a magnesium ion at its centre, not iron as in haemoglobin. This substitution shifts the light absorption spectrum into the red and blue wavelengths useful for photosynthesis, while reflecting green light, which is why leaves look green. Photons strike the molecule, lift electrons to excited states, and transfer that energy through antenna complexes to the photosynthetic reaction centre. There, charge separation drives ATP synthesis and CO2 fixation. Richard Willstätter elucidated the chlorophyll structure and won the Nobel Prize in Chemistry in 1915. Chlorophyll exists in all photosynthetic organisms (plants, algae, cyanobacteria). Over billions of years it has generated most of the atmospheric oxygen. Without this molecule, there is no aerobic life.\u003c\/p\u003e\n\n\u003ch2 style=\"margin-top: 2em;\"\u003eWho Reaches For This\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eplant biologists and botanists studying photosynthesis\u003c\/li\u003e\n\u003cli\u003ebiochemists working with porphyrin chemistry or photosynthesis mechanisms\u003c\/li\u003e\n\u003cli\u003eenvironmental scientists and climate researchers\u003c\/li\u003e\n\u003cli\u003eanyone who recognises chlorophyll as the foundation of all terrestrial food chains\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"margin-top: 2em;\"\u003eExplore Related Molecules Jewelry\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/caffeine\"\u003eCaffeine necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/glucose\"\u003eGlucose necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/mendels-peas\"\u003eMendel's peas necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/horizontal-dna\"\u003eDNA necklace H | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003csection class=\"product-faq\"\u003e\n\u003ch2 style=\"margin-top: 2em;\"\u003eFAQ\u003c\/h2\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eIs this a gift for plant scientists?\u003c\/h3\u003e\n\u003cp\u003eYes. Chlorophyll is the reason plants capture light and produce food. Any botanist, plant physiologist, or photosynthesis researcher will understand immediately why this pendant matters. The molecule is foundational to their work.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhy is chlorophyll's structure so important to photosynthesis?\u003c\/h3\u003e\n\u003cp\u003eThe porphyrin ring absorbs specific wavelengths of light (red and blue) and transfers that energy with high efficiency. The magnesium centre is essential to this function. Remove the magnesium or change the ring structure slightly, and the molecule stops working. Structure and function are inseparable.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhat size, material, and chain come with this?\u003c\/h3\u003e\n\u003cp\u003e45 mm pendant in 925 polished sterling silver, nickel-free and hypoallergenic. 45 cm sterling silver chain with 5 cm extender. Ships free worldwide via DHL Express in 1-5 business days. Comes ready-to-gift with the 30-day “Love It or Return It” policy.\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:1.75em;\"\u003eIs there a gold version of chlorophyll?\u003c\/h3\u003e\n\u003cp\u003eCurrently no. Chlorophyll is available in sterling silver at 45 mm. If a gold vermeil version becomes available, we will announce it. Many plant biologists layer this with other molecules or pair it with related pieces like caffeine or glucose.\u003c\/p\u003e\n\n\u003c\/section\u003e","brand":"sciencejewelry1824","offers":[{"title":"Default Title","offer_id":31949989871679,"sku":"NK0062-S","price":155.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1411\/4806\/files\/203_chlorophyll_silver.png?v=1699507655"},{"product_id":"fruit-bat-skull","title":"fruit bat skull necklace | silver","description":"\u003ch2\u003efruit bat skull necklace | sterling silver\u003c\/h2\u003e\n\u003cp\u003eThe fruit bat belongs to a family of megabats unlike any other mammal in the air. No echolocation. No sonar clicks rebounding in the darkness. They hunt by sight and smell through the night canopies of tropical forests, finding ripe fruit by color and scent, eating their body weight in mangoes and figs while moving pollen between flowers. A 23 mm sterling silver pendant shaped like the skull of Pteropodidae, the Old World fruit bat.\u003c\/p\u003e\n\u003ch2 style=\"margin-top: 2em;\"\u003eThe Science Behind the Fruit Bat Skull\u003c\/h2\u003e\n\u003cp\u003eThe Pteropodidae family includes roughly 190 bat species across Africa, Asia, and Australia, all of them frugivorous and all of them relying on vision and smell rather than echolocation. The golden-crowned flying fox is the largest, with a wingspan up to 1.7 metres. Unlike echolocating microbats, which have small eyes and elaborate ear structures, fruit bats have large forward-facing eyes and simple ears. They are essential pollinators and seed dispersers in tropical ecosystems, driving the reproduction of hundreds of plant species. Fruit bats are also reservoir hosts for several emerging zoonotic viruses including Hendra, Nipah, Marburg, and related ebolaviruses and lyssaviruses, making them a focal point for pandemic surveillance research.\u003c\/p\u003e\n\u003ch2 style=\"margin-top: 2em;\"\u003eA Quiet Symbol For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003etropical ecologists and conservation biologists tracking pollinator networks and forest regeneration\u003c\/li\u003e\n\u003cli\u003evirologists and epidemiologists studying zoonotic spillover and reservoir host dynamics\u003c\/li\u003e\n\u003cli\u003ebat biologists and mammalogists who distinguish fruit bats from the wider order Chiroptera\u003c\/li\u003e\n\u003cli\u003epeople who love the night forests where these bats hunt and the quiet intelligence of sight-based predation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese are bats that hunt in silence.\u003c\/p\u003e\n\u003ch2 style=\"margin-top: 2em;\"\u003eExplore Related Animal Skull Jewelry\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/raven-skull\"\u003eRaven skull necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/raven-skull-18k-gold-plated\"\u003eRaven skull necklace | gold vermeil\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/lizard-earrings\"\u003eLizard skeleton earrings | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/macaque-skull\"\u003eMacaque skull necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sciencejewelry1824.shop\/products\/orangutan-skull\"\u003eOrangutan skull necklace | silver\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq\"\u003e\n\u003ch2 style=\"margin-top:2em;\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eHow are fruit bats different from the bats that use echolocation?\u003c\/h3\u003e\n\u003cp\u003eFruit bats and echolocating microbats are separated by millions of years of evolution. Microbats are found worldwide and hunt insects on the wing using high-frequency clicks and returning echoes to map prey in complete darkness. Fruit bats are larger, Old World species that use vision and smell to find ripe fruit in the canopy. Microbats have tiny eyes and elaborate ear structures. Fruit bats have large forward-facing eyes and simple ears. The two groups represent fundamentally different hunting strategies.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhy are fruit bats important for tropical forests?\u003c\/h3\u003e\n\u003cp\u003eFruit bats are keystone species in tropical pollination and seed dispersal. Many flowers in African and Asian rainforests depend entirely on bats for pollen transfer. In return, these flowers produce large quantities of nectar that fruit bats drink as a calorie source. When fruit bat populations decline, flowering trees often fail to set seed, and the forest structure shifts. Conservation of fruit bats is conservation of the entire forest regeneration cycle.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eWhat size is the pendant and what chain comes with it?\u003c\/h3\u003e\n\u003cp\u003e925 sterling silver, 23 mm pendant on a 45 cm sterling silver chain (ø 1.8 mm) with lobster clasp and 5 cm extender. Nickel-free and hypoallergenic. Free worldwide DHL Express in 1-5 business days, with all import duties and taxes covered. 30-day “Love It or Return It” returns.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:1.75em;\"\u003eIs there a gold version?\u003c\/h3\u003e\n\u003cp\u003eThis pendant is currently available in silver only. No gold version exists at this time.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"sciencejewelry1824","offers":[{"title":"Default Title","offer_id":39283157991601,"sku":"NK0149-S","price":185.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1411\/4806\/files\/219_fruitbatskull_silver.png?v=1709035598"}],"url":"https:\/\/sciencejewelry1824.shop\/collections\/homepage-featured.oembed","provider":"sciencejewelry1824","version":"1.0","type":"link"}