(Phys.org) —As a critically endangered population makes a comeback, scientists are keeping a discreet eye on it with the help of GPS and dung.

Biology - Ecology

Mar 28, 2013 5 / 5 (3) 0

(Phys.org) -- Satellite images have revealed that a network of ancient rivers once coursed their way through the sand of the Arabian Desert, leading scientists to believe that the region experienced wetter ...

Other Sciences - Archaeology & Fossils

May 01, 2012 5 / 5 (2) 11 |