Lexi Yeo thought dolphins were friendly creatures until swimming with them changed her mind forever. Out of nowhere, an aggressive bottlenose dolphin started to bite her, and then another one joined ...

The investigative minds at How to Survive describe the surprising strength of these marine mammals and the defensive swimming positions needed to survive a territorial headbutt.

Marine experts are baffled by a series of “bloodthirsty” seal attacks on common dolphins along the British coast. Specialists believe that this shocking behaviour could be limited to a single killer ...