Alert Diver Category: Dive Slate

DAN’S NEW OFFICIAL PODCAST, The DANcast, delivers safety insights through engaging conversations from across the dive industry. This series blends practical knowledge with personal stories to inform and inspire the dive community. 

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. 

If you notice health changes during or soon after a dive, you should assume that it is related to diving. The most likely culprit is decompression illness (DCI), the likelihood of which increases with the severity of the dive. If DCI is suspected, you should receive first aid surface oxygen and a proper medical evaluation. Even if your condition is not DCI, first aid oxygen may still help and will not worsen your condition.

Sunscreen pollution is a serious threat to the world’s coral reefs causing fast degradation. But, divers can combat the effects of this pollution with simple steps.

On Greece’s coast, ancient shipwrecks were found dating back to Roman times. Ancient shipwrecks are a different treasure than simply diving regular shipwrecks.

The crown-of-thorns starfish is considered one of the most influential invertebrate predators found on Pacific coral reefs. Read more about why this starfish is so important to reef health.

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.

Sargassum plays a significant role in a healthy marine ecosystem in different ways, including providing shelter and fostering breeding opportunities. Read more about sargassum and its importance.

Waterlust is an online film series that blends water-related science, sport and art. Learn more about the film Waterlust and how water connects us all.

NASA has been conducting training missions at the Aquarius Reef Base underwater Habitat off Key Largo, Fla since 2001. NASA has staged many projects from Aquarius because the parallels of diving and space travel. Learn more about this NASA partnership.