Photographer Brian Skerry shoots life above and below the waves — as he puts it, both the horror and the magic of the ocean. Sharing amazing, intimate shots of undersea creatures, he shows how powerful images can help make change.
TEDTalks (video)

In tough economic times, our exploratory science programs — from space probes to the LHC — are first to suffer budget cuts. Brian Cox explains how curiosity-driven science pays for itself, powering innovation and a profound appreciation of our existence.
TEDTalks (video)