Artificial gills promise underwater breathing without tanks, but science says otherwise. We break down the myths, real research, and why scuba gear is still essential.
Artificial Gills and Underwater Breathing: Where Science Ends and Science Fiction Begins Read More »
A review of Divers Alert Network (DAN) emergency call records involving minors offers a clearer picture of what can go wrong when children scuba dive, and where prevention efforts should focus.
A clear way to choose, carry, and care for an underwater light
Dive Lights: An Equipment Guide for Beginners, With Notes for Experienced Divers Read More »
As 2025 comes to a close, I want to speak directly to people in the dive industry under 40.
The Scuba Industry Needs Honesty: Training, Mentorship, and Meaning Read More »
Sharks play an important role in both marine ecosystems and coastal economies. In several countries that depend on beach tourism, sharks are a major source of income. Annual revenue linked to sharks can reach around 500 million US dollars, and in some cases may be even higher. Despite this economic value, sharks continue to suffer from a negative public image shaped by inaccurate films and media portrayals.
Sharks, Tourism, and the Balance of the Sea Read More »
Scuba diving during pregnancy raises important medical and ethical questions. For ethical reasons, no experimental studies have been conducted on pregnant women to directly assess the risks of diving. Available knowledge is therefore based on surveys, observational data, and animal studies. These sources do not provide absolute answers, but they offer important guidance.
Scuba Diving During Pregnancy: Risks and Medical Considerations Read More »
Here’s a month-by-month guide to diving conditions across the Philippines, from Luzon in the north to Mindanao in the south.
A Month-by-Month Guide to Diving Conditions Across the Philippines Read More »
For most divers, the sea is explored within clear limits. Depth stays within recreational ranges, dives happen in daylight, and a direct ascent to the surface is always possible. Equipment is simple, and gas planning is built around one cylinder of air or Nitrox.
Beyond the Limit: A Roadmap to the Technical Diving Path Read More »
Diving technology has advanced significantly over the years, and closed-circuit rebreathers (CCR) are one of the most important innovations for scuba divers. Unlike traditional scuba equipment, rebreathers recycle the gas a diver breathes. This system removes carbon dioxide, adds oxygen, and controls oxygen levels in a looped circuit.
Understanding Closed-Circuit Rebreathers for Divers Read More »
Lead weights are a basic tool in scuba diving. They help divers control buoyancy and trim, and they make many dives possible. But lead also brings real safety and environmental concerns. These concerns are not only for dive professionals. They also matter for anyone who sets up gear at home, on a boat, or at a training site.
Lead Safety for Divers: Dangers, Precautions Read More »
