Study of Arctic fishes reveals the birth of a gene—from 'junk'

Though separated by a world of ocean, and unrelated to each other, two fish groups—one in the Arctic, the other in the Antarctic—share a surprising survival strategy: They both have evolved the ability to produce the ...

Scientists program proteins to pair exactly

Proteins have now been designed in the lab to zip together in much the same way that DNA molecules zip up to form a double helix. The technique, whose development was led by University of Washington School of Medicine scientists, ...

Nature's sweets: Borrowing a natural recipe for sugar synthesis

Today, sugar has a villainous reputation. And while too much of the sweet stuff should be avoided, all living things need sugar to survive. "The biological universe is coated with sugars," said Samuel M. Levi and Qiuhan Li, ...

Engineers repurpose wasp venom as an antibiotic drug

The venom of insects such as wasps and bees is full of compounds that can kill bacteria. Unfortunately, many of these compounds are also toxic for humans, making it impossible to use them as antibiotic drugs.

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