Unexpected Air Pockets

A diver felt pressure in his teeth during a descent but dismissed the pain. The pain became worse, forcing him to cut the dive short. Read more about this tooth-related dive incident.

Female diver clutches her mouth

Bali Road Trip

Bali is a fantastic place for divers — both topside and underwater. Sea critters range from tiny seahorses to thriving reefs and there are so many to see. Learn more about diving in Bali.

Yellow, orange and pink sea fans

Shooter: Ned DeLoach

Ned DeLoach is an accomplished diver, photographer and writer who has chronicled underwater life. Learn about his life and how he became interested in diving.

Two Blackfin coralgobies are actually yellow. One is quite larger than the other

Cabo Pulmo

Cabo Pulmo is a National Marine Park in Mexico and can be described as a treasure. From humble beginnings, this small marine preserve has become a bastion of biodiversity.

Thousands of schooling jacks dwarf a nearby diver

Underwater Images on a Single Breath

Freedive photography is an art as the photographer only gets one breath to get the shot. Scuba gear often is bulky and can just get in the way. Learn more about freedive photography.

Snorkeler takes photo of whale shark

Treating DCS in the Miskito Coast

The Miskito Coast has a decompression sickness epidemic as many cases go undiagnosed in diving fishermen. Read more about DCS in the MIskito Coast.

Man kneels over bowl of lobster tails

Sunscreens Linked to Coral Bleaching

Did you know your sunscreens could actually be hurting the world’s coral reefs? Learn more about safe sunscreens and protecting these resources.

A bleached coral reef

Life and Stress at the Ice Edge

Emperor penguins are the largest species of penguins and they have very fascinating behaviors. Read one diver’s account of witnessing and photographing these penguins.

Emperor penguin coming up for air through ice hole

Equipment for Dive Emergency Prevention & Response

Equipment can prove necessary in a dive emergency — but do you know what to stock? From glow sticks to knives, it’s important to be prepared for all scenarios. Learn about equipment options for all kinds of dive and boat emergencies.

DAN emergency signaling kit has a whistle and glow stick

Seacology

Seacology is an organization that provides tangible solutions to impacted areas. Read more about Seacology.

Two women plant mangrove trees on sandy shores