Observations made in 2006 and 2007 suggests that dolphins and whales may experience complex emotions once believed to be reserved for human beings such as deep grief at the death of a loved one

Do whales and dolphins grieve their dead?

A study by researchers from University of Milano-Bicocca describes observations of adults carrying dead calves and juveniles in 7 toothed cetaceans (odontocetes). The observation was based on 14 events from 3 oceans. The seven species studied were Indo-Pacific bottlenose dolphins, killer whales, Australian humpback dolphins, sperm whales, Risso’s dolphins, short-finned pilot whales, and spinner dolphins.

'World's Best Wildlife Dive Sites' London Book Launch

Reed New Holland are publishing a new book in August entitled "World's Best Wildlife Dive Sites". This hardback coffee table book covers 32 underwater wildlife experiences from around the world and has been authored by a Brit husband and wife team.

Underwater photographers - Nick and Caroline Robertson-Brown - have degrees in biology. Handy knowledge when it comes to shooting marine life.