Archive: 10/23/2012

Grandmas made humans live longer

Computer simulations provide new mathematical support for the "grandmother hypothesis" – a famous theory that humans evolved longer adult lifespans than apes because grandmothers helped feed their grandchildren.

Oct 23, 2012
4.6 / 5 (7) 2 | with audio podcast

Assembly of nano-machines mimics human muscle

For the first time, an assembly of thousands of nano-machines capable of producing a coordinated contraction movement extending up to around ten micrometers, like the movements of muscular fibers, has been synthesized by ...

Oct 23, 2012
4.8 / 5 (8) 0 | with audio podcast

Local wildlife is important in human diets

Animals like antelope, frogs and rodents may be tricky to catch, but they provide protein in places where traditional livestock are scarce. According to the authors of a new paper in Animal Frontiers, meat from wild animal ...

Oct 23, 2012
not rated yet 1