EarthDid climate change jump-start human evolution in East Africa? The Turkana basin, home to many major fossil discoveries, may have acted as a species factory, generating early humans adapted to a drier climate 51¶¯Âþ
EarthAustralian rice to the rescue as Asian staple is threatened Climate change and disease endanger Asia's staple crop, but Australia's wild rice could bolster it, says Robert HenryOpinion