Bananas Come in Every Color of the Rainbow

Feeling a little green today? You are not alone — "banana anxiety" became a viral meme aft

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The Bacterium That Lived Alone for a Million Years

Deep in a South African gold mine, 2.8 kilometers below the surface, there is a bacterium that may h

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What ICU Actually Feels Like: Held Between Life and Death

The best description of the intensive care unit comes from the people who have been inside it. One p

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Why Some Wounds Heal in Days and Others Never Do

Two cuts of identical size, on the same person, can heal at wildly different speeds. Wound size is o

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The Heaviest Insect Ever Measured Is Back From the Brink

In New Zealand there lives an insect heavier than a sparrow. The wētāpunga — Deinacrida heteracantha

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Your Gut's "Second Brain": 500 Million Neurons of Its Own

The idea that the gut has its own brain is not a wellness-marketing invention. It started in 1907, w

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Rove Beetle "Acid" Myth: Pederin Stops Protein Synthesis

There is a widely repeated claim about rove beetles: their "venom" is a powerful acid, wit

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The Kidney Isn't a Sieve: How It Decides What to Keep

Try designing a sieve that sorts kidney waste from nutrients, and you will hit an impossible problem

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黑名單還是白名單：腎臟怎麼「知道」什麼是廢物

想設計一個能替腎臟把廢物和營養分開的篩子，你會立刻撞上一道無解的難題。 篩子靠大小分揀。可是腎臟必須丟掉的尿素，分子量只有 60；必須留下的葡萄糖，分子量 180。廢物比營養小三倍，請問篩孔開多大？開

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Why Stomach Acid Can't Kill Parasite Eggs

Your stomach can dissolve a piece of steak into mush. Its hydrochloric acid reaches a pH of 1.5–3.5

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