William Glacier lies on the Antarctic Peninsula. A team aboard the British Antarctic Survey’s RRS James Clark Ross research ship was taking ocean measurements off the Antarctic Peninsula in January 2020 when the front of the William Glacier disintegrated into a thousand small pieces before their very eyes. The team’s subsequent research has led to the discovery that glacier calving can excite vigorous internal waves – a process that has been neglected in driving ocean mixing in computer models.

 Read full story: Glacier calving and a whole lot of mixing