NATO seeks advice to avoid collateral environmental damage
Scientists devise way to relay sound signals under water
Engineers use ocean channel to efficiently relay sound
First impressions of my first research cruise
Did dispersants help microbes break down oil?
They may be microscopic in size, but plankton play a starring role in the oceans' food web and the Earth's climate. Scientists are just beginning to reveal the rich diversity of life in remote polar seas. (Production and Audio by Ari Daniel Shapiro)