HumansWe seem to be getting stupider and population ageing may be why Average IQ may be falling, a trend some think is due to smarter people having fewer children. Now evidence suggests longer lifespans may be to blame instead ¿ìè¶ÌÊÓÆµ
LifeWe may have mated with Neanderthals more than 219,000 years ago Analysis of DNA from a fossilised Neanderthal bone suggests modern human ancestors entered Europe and interbred with locals more than 219,000 years ago ¿ìè¶ÌÊÓÆµ