But it's also a physical network of cables that span the globe. Earlier this year, a South African man created this fantastic interactive map of all the world's submarine cables. (It was spotted ...

The question then was whether bonnetheads managed those return trips by relying on a magnetic map ... of magnetic fields from anthropogenic sources such as submarine cables on sharks.

generated by submarine power cables might affect some of these delicate creatures, many of which rely on their own internal sense of magnetic north to navigate or use electric fields to help them ...

This is because the Earth’s magnetic field runs almost parallel ... have capabilities beyond submarine detection. This sensitivity would allow the system to map submerged archaeological sites ...