Did kraken-like octopuses rule Cretaceous seas? Massive jaw fossils offer clues
Extinct cephalopods might have been up to 19 metres in length and probably dined high up the food chain in ancient oceans.
Extinct cephalopods might have been up to 19 metres in length and probably dined high up the food chain in ancient oceans.
Andrew Robinson reviews five of the best science picks.
A nanostructured ‘metasurface’ lens enables 3D images to be viewed without specialized glasses and can switch to 2D operation.