From 2017 to 2020, large icebergs at the ice shelf’s edge broke away
For decades, the ice shelf helping to hold back one of the fastest-moving glaciers in Antarctica, Pine Island Glacier, has gradually thinned. Analysis of satellite images reveals a more dramatic process in recent years. From 2017 to 2020, large icebergs at the ice shelf’s …
Heroes and villains abound in the story of trace elements, which are found in exceedingly low amounts in the ocean. Elements such as iron or zinc, are critical to marine life and play a key role in regulating the global carbon cycle. Other elements can be downright toxic to …