Sharks use Earth’s magnetic field as ‘GPS’ guidance system, study says – The Guardian

Sharks

• Florida scientists use juvenile bonnetheads for research
• Authors say findings applicable to other ocean-going sharks

Scientists in Florida have concluded that sharks possess an internal navigation system similar to GPS that allows them to use Earths magnetic forces to travel long distances with accuracy.
Below the surface: reports of rising shark attacks don’t tell the whole story
The researchers from Florida State University made the discovery by subjecting 20 bonnethead sharks, part of the…

Click here to view the original article.