Lessons for Life, one of our most popular sections, teaches divers things they should always remember when hitting the water. In case there are any you've missed, here is a round-up of all the Lessons for Life from 2012.

CO testing is recommended, not mandatory, and poisonings are not recorded — but is there really cause for alarm?

Six tips on getting the most from pre-dive briefings

"I would not recommend anyone repeat what I did," says this daring wildlife photographer who fell under the spell of Russia's Kamchatka's bears.

Simplify, organize and have fun! Here are six tips to make your day on a dive boat a success.

Do you understand what your dive computer's algorithm does? Here is our easy-to-understand explanation.

It’s no fun diving with a mask that keeps filling with water every few seconds. So the first consideration when buying a mask is how well its skirt seals against your face. Despite claims to the contrary, no one mask fits all.

# Do you know a worthy young female diver who wants to enter the dive world professionally? If so, here's news you can use

My boyfriend and I woke before sunrise to prep for our 350-foot dive. I didn’t realize more was in store besides the new push on depth for the two of us.