Colossal ancient icebergs left grooves on the bottom of the North Sea

Scientists have found scour marks on the seabed made by giant icebergs about 18,000 years ago, and they could offer clues to the fate of Antarctica’s ice

​Scientists have found scour marks on the seabed made by giant icebergs about 18,000 years ago, and they could offer clues to the fate of Antarctica’s ice  New Scientist – Home