Eavesdropping on whales in the high Arctic: Whales can be challenging to monitor and study; a new approach -- using fiber optic cables -- can change that - Science Daily

Earth's oceans are crisscrossed with roughly 1.2 million km of fiber optic telecommunication cables. Researchers have now succeeded in using a fiber in a submarine cable as a passive listening system, enabling them to listen to and monitor whales.

Whales are huge, but they live in an even larger environment -- the world's oceans. Researchers use a range of tools to study their whereabouts, including satellite tracking, aerial surveys, sighting… [+10088 chars]

full article...