Copper boosts pig growth, and now we know why

Pigs have better feed conversion rates with copper in their diets, but until now, scientists didn't fully understand why. Existing research from the University of Illinois shows copper doesn't change fat and energy absorption ...

Evolution by mistake

(PhysOrg.com) -- A major driving force of evolution comes from mistakes made by cells and how organisms cope with the consequences, University of Arizona biologists have found. Their discoveries offer lessons for creating ...

Researchers prove fast microbial evolutionary bursts exist

There are more than a dozen species of finch that evolved on the Galapagos Islands, each identified by beak shape and size. Some have strong beaks to crack nuts while others have long, fine beaks to grasp larvae with surgical ...

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