arctic

CGP Grey explains the history and legal status of territorial claims on Antarctica. It covers the overlapping national claims and the Antarctic Treaty that freezes them.

Destin Sandlin of Smarter Every Day documents boarding a US Navy nuclear submarine in the Arctic during the ICEX 2020 under-ice exercise. It is the first of a series on life aboard a fast attack submarine.

Destin Sandlin of Smarter Every Day explains how a US Navy nuclear submarine surfaces through Arctic ice, filmed during the ICEx exercise. It shows ballast and control systems and the physics involved.

Excerpts from Nick Breeze's 2012 interview with researcher Natalia Shakhova about methane release from the East Siberian Arctic Shelf. She discusses the risk of abrupt methane emissions.

BBC Earth shows killer whales working as a pod to create waves that wash seals off ice floes, with the producer explaining how the crew captured behavior once thought a myth.