Neanderthal-human baby-making was recent - and brief
High-resolution analysis identified when Neanderthals and Homo sapiens interbred around 60,000 years ago for a brief period in evolutionary terms. [ more ]
Study links fermented foods with brain growth - Harvard Gazette
Fermentation, not fire, may have been the key driver behind the evolutionary increase in human cranial capacity.
Brain tissue is energetically expensive, and changes in diet, possibly due to fermentation, could have fueled the expansion of our ancestors' brains. [ more ]