They may have looked something like this: The up to seven-metre-long nothosaurs with the four paddle-like limbs belong to the Sauropterygia group – the most diverse and geologically longest surviving marine reptiles at 180 million years – and were distant...
Many parts of the Antarctic continent can only be reached by heavy icebreakers because the sea ice around the continent forms an almost completely continuous surface. Picture: Michael Wenger In the Arctic, sea ice loss is one of the most visible effects of climate...
