• Peter Tyack
• Senior scientist, Woods Hole Oceanographic Institution

• Speaking at TED Mission Blue Voyage
• April 2010
• Galapagos Islands

The intriguing sound of marine mammals: Peter Tyack of Woods Hole talks about a hidden wonder of the sea: underwater sound. Onstage at Mission Blue, he explains the amazing ways whales use sound and song to communicate across hundreds of miles of ocean.