What made billions of snow crabs disappear from the Bering Sea?

A graduate student’s research could help stop the spread of invasive seaweed in Hawai’i. For the first time, using cryopreservation to freeze sea urchin embryos may help restore coral reefs

Second world war shipwreck is leaking toxic chemicals in the North Sea

Why have billions of snow crabs disappeared from Alaskan waters?