Cut a nerve fiber in most animals and it's gone forever. In an axolotl, cells actually rewind to an embryonic state and rebuild the entire structure from scratch — nerves, muscle, bone — without leaving a single scar. Scientists believe the genetic switches behind this miracle might still exist in us, dormant, waiting to be unlocked.
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Seven of the rarest animals on Earth — some down to single digits, some 'lost' to science for decades and only just rediscovered — and the people racing to keep them alive.
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An egg-laying mammal with a duck's bill, a venomous heel, electric senses, ten sex chromosomes and fur that glows under UV — and we are still discovering what it can do.
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Punchy was abandoned hours after birth and found his footing — literally — by clinging to a stuffed orangutan doll. Now, at a Japanese macaque colony on Monkey Mountain, something remarkable is happening: he's letting go. What does it mean when an animal raised without a mother learns, somehow, to stand on its own?
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A newborn giant panda weighs just 90 grams — roughly 1/900th of its mother's body weight. No other placental mammal on Earth comes close to this staggering size gap. Not elephants, not whales, not humans. Inside the biology of one of nature's most improbable births, and why a blind pink comma of life becomes a 100-kilogram icon.
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The flat face fox you see in memes is the Tibetan fox. Its famous square head is half winter coat, half evolutionary craftsmanship shaped by one specialist prey species.
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The Mexican axolotl never grows up — and never quite stops healing. Inside the verified science, the Lake Xochimilco collapse, and what biology labs are still learning from its body.
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Deep in the mangrove forests of Borneo lives a monkey with a nose so large it droops past its chin. It looks like nature made a mistake. It isn't. That extraordinary face is a product of millions of years of evolution — and right now, it's disappearing. Here's what's really going on with one of the world's strangest-looking primates.
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Hundreds of tiny seahorses drift into open water, and the exhausted parent watching them go is their father. Male seahorses carry their young in a specialized brood pouch that works startlingly like a mammalian placenta, regulating salinity, delivering oxygen, and feeding embryos. Then comes labor, real muscular contractions, before up to 1,500 fully formed young spill out.
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Researchers tracking a male humpback off Colombia were stunned when his signal reappeared near Zanzibar, Tanzania, roughly 13,000 kilometers away. It was the longest migration ever recorded between whale breeding grounds, not feeding grounds. One lone male crossed two ocean basins, possibly following a song, building a genetic bridge between populations that had no business meeting.
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In 2007, a Russian capsule exposed tardigrades to open space for 10 days. Most came back alive. Inside the biology — and the 2024-2025 discoveries — that explain how an animal smaller than a comma survives what would kill almost everything else.
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Only one animal can survive the open vacuum of space — the tardigrade. Here is how it does it, and what its biology might mean for human missions to Mars.
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