TechnologyRobo-raven morphs its wings to back flip in mid-air A flying robot that can move each wing independently is capable of precise aerial manoeuvres that mimic a real bird's abilities Regulars
LifeFeathersaurus: plant-eating dinos had plumage too New fossils suggest it was not just bird-like dinosaurs that had elaborate feathers – the other major dinosaur group had them too 51¶¯Âþ