LifeHow memory power helps bird brains survive the winter Black-capped chickadees in snowier climes have bigger memory centres in their brains, perhaps because better spatial memory helps them find food in winter 51¶¯Âþ
EarthMaking life, but not as we know it Can you create life from scratch using different chemical building blocks to ours? An ambitious new experiment aims to find out, says Katharine SandersonFeatures