Archive: 09/10/2013

US bars sale, trade of white rhino horns

The last remaining species of rhinoceros that is not endangered will receive new US protection due to an intensifying poaching crisis, federal wildlife officials said Tuesday.

Sep 10, 2013
5 / 5 (3) 0

Detecting biomarkers on faraway planets

(Phys.org) —On Earth, life leaves telltale signals in the atmosphere. Photosynthesis is ultimately responsible for the high oxygen levels and the thick ozone layer. Microbes emit methane and nitrous oxide ...

Sep 10, 2013
4.8 / 5 (13) 5 | with audio podcast