Ancient brew masters tapped drug secrets

(PhysOrg.com) -- A chemical analysis of the bones of ancient Nubians shows that they were regularly consuming tetracycline, most likely in their beer.

Reinventing the wheel -- naturally

Humans did not invent the wheel. Nature did. While the evolution from the Neolithic solid stone wheel with a single hole for an axle to the sleek wheels of today's racing bikes can be seen as the result of human ingenuity, ...

Wild chimps have near human understanding of fire, study says

(PhysOrg.com) -- The use and control of fire are behavioral characteristics that distinguish humans from other animals. Now, a new study by Iowa State University anthropologist Jill Pruetz reports that savanna chimpanzees ...

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