Biology news

Early herders' grassy route through Africa

A University of Utah study of nearly 2,000-year-old livestock teeth show that early herders from northern Africa could have traveled past Kenya's Lake Victoria on their way to southern Africa because the ...

Mar 09, 2015
5 / 5 (2) 0

Progeny of old parents have fewer offspring

Reproduction at old age involves risks that may impact one's own life and may impose reduced biological fitness on the offspring. Such evidence, previously obtained in humans and other taxa under laboratory ...

Mar 09, 2015
5 / 5 (3) 0

New technique can locate genes' on-off switches

All the cells in an organism carry the same instruction manual, the DNA, but different cells read and express different portions of it in order fulfill specific functions in the body. For example, nerve cells ...

Mar 09, 2015
4.8 / 5 (4) 1