Archive: 04/30/2013

Cheating favors extinction

Cooperative behaviour is widely observed in nature, but there remains the possibility that so-called 'cheaters' can exploit the system, taking without giving, with uncertain consequences for the social unit ...

Apr 30, 2013 4.1 / 5 (16) 70 | with audio podcast

NASA image: Fires in Western Australia

In Western Australia, the wet season occurs between December and March and the dry season between May and October. The reversals of prevailing winds in the two season drives the shift from wet to dry and ...

Apr 30, 2013 5 / 5 (1) 0

NASA image: Fires in eastern Russia

Even as the snow begins to retreat in the eastern part of Russia, fires are being set to clear the land for planting. This Moderate Resolution Imaging Spectroradiometer (MODIS) image from the Aqua satellite ...

Apr 30, 2013 5 / 5 (2) 0