Why don’t we see smaller pterosaurs in the fossil record? The answer may be that the young of their giant relations were able to outcompete them, write Roy Smith and David Martill
‘Prosocial behaviour’ comes naturally to some; even children as young as two or three may spontaneously share a treat or toy with an unhappy playmate. But most children need to learn it, writes Jane E Brody
As Meta (Facebook) and Microsoft reposition themselves for the metaverse, Steve Benford has the lowdown on five things we should know about this new world
