Tagged With proteins

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Researchers working in Africa have uncovered 3.8 million-year-old protein fragments encased in an ostrich eggshell. These biological building blocks are millions of years older than the oldest DNA ever found, highlighting the possibility of recovering ancient proteins from extinct animals — and even the remains of early humans.

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Researchers at Itmo University in Russia have found a way to fold mutilated proteins back into the right shape. Afterwards, the proteins work better than they did before. They call it the "Phoenix Effect": an exhausted protein is ripped apart by heat, only to rise again better than before.

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The bite of a Brazilian wandering spider might not kill you, but it can make you wish you were dead. The cocktail of toxins in its venom produces a suite of not-so-delightful effects like swelling, intense pain and paralysis. If you're male, you also get a painful erection that lasts for hours.