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.

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.

Be it equipment, technique, physiology, photography or biology, divers have the ability to study to their personal level and interest. One aspect that is often overlooked by most divers is the history of diving.

The UK has a rich resource when it comes to this subject. Indeed the Historical Diving Society (HDS) was formed in the UK in 1990, and has subsequently grown into an international organisation with members and offshoot societies around the world.

China claims almost all of the South China Sea, including reefs and islands also claimed by others. The Permanent Court of Arbitration said there was no evidence that China had historically exercised exclusive control over the waters or resources.