Great white sharks: You can track 'em

By Marnie Hunter, CNNUpdated 8th September 2014
Swimmers were evacuated from the beach after a 12 to 14 foot great white shark was spotted off the coast of Massachusetts.
Lydia has covered a lot of water since she was tagged in March 2013. Her movements are logged on Ocearch's shark tracker.
Lydia has covered a lot of water since she was tagged in March 2013. Her movements are logged on Ocearch's shark tracker.
From Ocearch.com