New Study Eyes Evolution of Fairness and Punishment

(PhysOrg.com) -- Researchers have long been puzzled by large societies in which strangers routinely engage in voluntary acts of kindness, respect and mutual benefit even though there is often an individual cost involved.

Unlocking wood's energy

Deftly using a pair of tweezers, Scott Geib pulls apart the insides of a yellowish, wormlike critter - the larva of a tree-devouring pest called the Asian long-horned beetle. Something in the insect's gut allows it to make ...

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