Just in the deeps

Diving, oceans, science, exploration

Northwest Island

The archetypal PNW DPV dive?


Using oxygen as an 'inert gas' (aka NITROX)

and its relation to 'Martini's Law'


Slacks widget

Visualizing slack times for quick reference


The metric system (for diving)


Keystone Opening May

Our favorite go-to oasis of protected local biodiversity


DIY Gas Calculator


New Website

'When social media has gone too far'