The Library

How Fishes Use Color

What is the most beautifully colored fish in the world? This is a question that can be passionately debated for hours. Surely the Harlequin…

Sea Breezes: How Winds Affect Diving

The chance of finding Spanish treasure is one of the bonuses of diving in many places along Florida’s coast. In fact, a few people have become wealthy diving for gold, silver and jewels recovered from the sites of wrecked Spanish ships. Anyone who finds even a single 16th-century coin can thank Mother Nature, especially the wind. The extreme winds of hurricanes and the waves they kick up sank most of the ships from three different Spanish fleets along different parts of Florida’s Coast.

How to Control Seasickness

There are many ways to describe it: tossing your cookies, hugging the porcelain, calling for Ralph or letting out a technicolor yawn. but no…

Heat Exhaustion and Heatstroke

I remember vividly a dive trip to the Philippines, where we often had to shuttle from our large transoceanic vessel in small outboard wave…

Protection from the Sun

It’s very tempting to lie out in the sun, to soak up the warmth, to work on a tan. I know my first instinct…

When a Diver Has a Fever

The last thing anyone wants to happen on a dive trip is that he or she becomes ill, but sooner or later it happens…