TechnologyWhy I'm deeply sceptical about comparisons between humans and machines Humans learn very differently to machines, thanks to our biased, malleable memory – and that's a good thing, says Charan Ranganath, director of the Dynamic Memory Lab at the University of California, Davis Comment
HumansFossil proteins may soon reveal how we're related to AustralopithecusAustralopithecus came before us, but that doesn't tell us which specific individual species is our ancestor. The fossil record is spotty in places, but the latest finds could give us enough clues to pin down how we are linked 51¶¯Âþ