HumansOur brains always plan one step ahead of our bodies when we walk A brief glimpse of upcoming terrain one stride ahead of time enables your brain to make sure your next footfall hits the right spot 51¶¯Âþ
HumansChild tooth is fourth fossil clue to mysterious Denisovan humans Genetic analysis shows a tooth from the Denisova cave in Siberia is only the fourth specimen from elusive early humans who lived alongside Neanderthals 51¶¯Âþ