Wednesday, 27 February 2013

Seals take scientists to Antarctic's ocean floor

A Southern Ocean elephant seal wears a sensor on its head as it sleeps on an island in the Antarctic's Southern Ocean. Elephant seals wearing head sensors and swimming deep beneath Antarctic ice have helped scientists better understand how the ocean's coldest, deepest waters are formed.
Elephant seals wearing head sensors and swimming deep beneath Antarctic ice have helped scientists better understand how the ocean's coldest, deepest waters are formed, providing vital clues to understanding its role in the world's climate.