HumansOur first sex with Neanderthals happened 100,000 years ago An early episode of interbreeding gave one special group of extinct Neanderthals our DNA, including parts of a language gene ¿ìè¶ÌÊÓÆµ
LifeThe Society of Genes: Time for a subtler picture of evolution Has the "selfish gene" metaphor had its day? A new book about evolutionary biology prefers its analogies to come from modern society's complex relationships CultureLab