Rubik's Cube fans go head-to-head at 'speedcubing' event 魔方爱好者在 “魔方速拧赛” 中一决高下 Episode 230216 / 16 Feb 2023 Practise your English listening skills with this story Watch the signals great apes use to ...

By measuring the gravitational pull of the seabed under the ice, they discovered a network of deep channels, a key step in understanding why the glacier is changing so rapidly.