A 100-year-old equation and a fibre-optic cable off the coast of Svalbard led researchers to discover they could detect swimming whales — even if they were completely silent. The discovery broadens the tools that biologists could someday use to detect and monitor these marine giants.

A 100-year-old equation and a fibre-optic cable off the coast of Svalbard led researchers to discover they could detect swimming whales — even if they were completely silent. The…

Tiny fiber-optic cables on seabed can do a lot more than you can imagine as researchers have found that these underwater communication cables can detect silent whales by sensing…