LifeThe genetical evolution of chimp culture From knuckle-knocking to slapping, chimpanzees' different behaviours are culturally determined – or are they? ¿ìè¶ÌÊÓÆµ
TechnologySolid-state systems could sequence a genome for $100 A chip that can read DNA sequences in a fraction of the time promises to slash the cost of genome sequencing ¿ìè¶ÌÊÓÆµ