Status Penelitian Features

Our explorations of Belize’s equally biodiverse jungles and reef systems some 4,000 miles (6,437 kilometers) south repeatedly reminded me of that endless summer afternoon in Alaska.

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

What is a safe carbon monoxide (CO) level in our breathing air? Learn the effects of CO poisoning and how the limits are derived.

There are many standards and guidelines for safe limits, including the results of various occupational health and safety studies on the effects of extended exposure. For diving, the situation is different. So what are safe limits for recreational diving with much shorter exposures than navy divers? Particularly, what is a safe limit for carbon dioxide (CO2), the most abundant potential contaminant?