Marine Life
You'll spend most of your dives looking at things that don't care you're there. This is the biology behind the animals you meet, with the data rather than the folklore. The shark article is the one to send to nervous relatives.
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- 4 min read
How Do Octopuses Change Colour So Fast, Despite Being Colourblind?
Octopuses colour-match reefs in under a tenth of a second, despite being colourblind. Here's how chromatophores, iridophores, and light-sensing skin make it happen.
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- 5 min read
Do Fish Get Decompression Sickness? What Happens When They're Pulled Up Fast
Fish do get decompression sickness, just from a completely different mechanism than divers. Here's why gills change the physics, and what a swim bladder has to do with it.
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