Whales' signals reveal retreat from ill-fated oil rig

A technique that monitors whales through the sounds they emit has answered a key issue raised by the explosion of the Deepwater Horizon oil rig in the Gulf of Mexico two years ago this month.

Better data needed in determining sea turtle population trends

(Phys.org) —Sea turtle populations may be increasing—or decreasing—but by using the most common method of simply counting nests or nesting females there is no way to know for sure, a University of Florida research team ...

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