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Human languages are pieced together from various sounds and letters. English has 26 letters in the alphabet. Chinese has no alphabet, four tones, and thousands of characters. Life, on the other hand, is much less complicated. From the Lactobacillus in your yogurt to your house plant to your best friend, we’re all made out of just four letters: A, C, T, and G...

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You probably think that your cells define you as a human being. But did you know that the commensal bacteria on your skin, your gut, your lungs, and a host of other places, outnumber your own cells? You are in fact, made out of more bacteria than human cells. It’s no surprise then, that the bacteria in your gut can influence your mental and physical health...

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For a while there, scientists debated on what came first, DNA or proteins. Since DNA codes for proteins, but DNA requires proteins to make more proteins (AH!), it was hard to figure out what came first. This is the chicken-egg paradox. If we were talking about actual chickens and eggs, it’s obviously the egg since dinosaurs laid eggs well before chickens evolved. But back to DNA...

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From the “Carrie” necklace to engraved pendants, customized jewelry has never really fallen out of fashion. Maybe you’re drawn to the fact that your necklace is a small reflection of who you are. Or maybe you want something that can’t be found at Urban Outfitters. As scientists, we know that what really makes you, well, you. It isn’t your name, it’s your DNA...

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February 12, 2019by Dr. Marianna Ricci, DVM - Medical + Science Writer and Communicator London, 1837– A young man is home from the voyage on the Beagle brig, a 5 years trip around the world that will determine his entire career. The desk is full of notes and specimens collected during the expedition and the naturalist feels that animal and plants may change over time. Charles grabs his red leather notebook and writes “I think” at the top of page 36. He knows he’s a terrible artist but starts doodling while brainstorming about his theory and sketches an irregularly branched tree - species evolving...

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