It Takes a Village To Raise a Whale

At up to 330,000 pounds (149,685 kilograms) and 110 feet (33.5 meters) long, they are the largest creatures to have ever lived.

A  70-foot (21-meter) female blue whale skeleton

Diving with Type 1 Diabetes

Q: I was recently diagnosed with type 1 diabetes and will now require insulin. Will I be able to dive again?

Woman giving herself an insulin shot

No Time Like the Present

There’s no substitute for the feeling of being underwater — weightless, focused, and fully immersed in a world few people ever see. Whether you’re enjoying a favorite local spot or exploring a new site far from home, every dive offers something worthwhile: a moment of calm, a connection with nature, a skill refined, or an experience of community with other divers. 

Bill Ziefle

Shocking Misconceptions About AEDs

The automated external defibrillator (AED) was developed as a portable medical device and released for public use in the 1960s. The operation of AEDs has gotten simpler over the years, and the devices are now widely available for use by lay providers with basic training.

The DAN O2 Cardiac Complete unit

A Quest for Life

Seemingly crafted for photographers, nudibranchs are slow-moving and vibrant and have adapted to curious shapes and sizes.

The Miamira tenue sea slug often has a partner shrimp riding along its back and sides.