Small evolutionary shifts make big impacts, study finds

(PhysOrg.com) -- In the developing fetus, cell growth follows a very specific schedule. In the eye's retina, for example, cones -- which help distinguish color during the day -- develop before the more light-sensitive rods ...

Evidence of capuchin monkeys using tools 3000 years ago

A team of researchers affiliated with several institutions in Brazil and the U.K., has found evidence of capuchin monkeys using stone tools as far back as 3,000 years ago. In their paper published in Nature Ecology and Evolution, ...

Monkeys use tools to crack nuts, shuck oysters

Wild macaque monkeys have learned to use tools to crack open nuts and even shuck oysters, researchers said Wednesday, identifying a rare skill-set long thought to be the exclusive party trick of humans and chimps.

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