News tagged with prehistoric times

Skin hair skims heat off elephants

Body hair in mammals is typically thought to have evolved to keep us warm in colder prehistoric times, but a new study suggests that it may do the opposite, at least in elephants. Epidermal hair may have ...

Oct 10, 2012 5 / 5 (1) 1 | with audio podcast

First Australians did not boost fire activity

(PhysOrg.com) -- The arrival of the first people in Australia about 50,000 years ago did not result in significantly greater fire activity, according to a landmark new research report on the continent's fire history going ...

Dec 06, 2010 4.2 / 5 (6) 0