Eavesdropping on whales in the high Arctic

Source: 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.

https://www.sciencedaily.com/releases/2022/07/220705090712.htm