Fish And Diver Are BFFs has been added as a related post - related requested by newtboy on that post.

I've been following this story here. Sure was happy when they were found alive -- I had started to lose much hope after they'd been gone 4+ days.

The bad news today is that a Thai volunteer diver, a former SEAL, died on a return trip from setting up extra air supply tanks along the route. BBC coverage is very good:
https://www.bbc.com/news/world-asia-44734385

Most cave diving experts think that it would be extremely risky to try to move the kids out by diving. One of the on-scene people from the US has said that none of the boys know how to swim, let alone dive, and the conditions in cave diving make it so that panic can quickly lead to disaster.

Unfortunately, a new complication has come up. Oxygen levels in the chamber they are in are now at 15%, down from the usual 21%. They are working to get piping in to supply fresh air, but logistics of that are difficult since they need about 3 miles of piping. And to make matters worse, heavy rains are in the forecast, which will further stress the pumping that they are doing to keep water levels low in the cave.

The Thai head of the Navy rescue operation was quoted today as saying that "At first, we thought the children could stay for a long time... but now things have changed, we have a limited time." If that is correct and can't be resolved (due to dropping oxygen levels, rising water, or whatever), they may have to opt for the risky exit via diving. So definitely not out of the woods yet.

Those sharks must be well fed. Probably full of divers.

In situations where ships voluntarily leave an anchor behind, they typically attach a strong line (heavy rope or light chain) to part of it and a buoy. This way they can easily find it and haul up the tail again (or send divers down with a new line).

An Asian diver would have had lunch.

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Free divers are nuts. They are some of the fittest athletes on the planet, but they put their bodies through unbelievable stress.

I have a tonne of respect for them, but I'd never do it.

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*related=http://videosift.com/video/Goliath-Grouper-Attacks-Diver-Steals-His-Fish-and-Spear-Gun

Goliath Grouper Attacks Diver, Steals His Fish and Spear Gun has been added as a related post - related requested by Nephelimdream.

Diver may have found 'lost nuke' missing since cold war off Canada coast

What?!

"The US military said the lost bomb was a dummy capsule – packed with lead rather than the plutonium core needed for an atomic explosion."

Ah, ok then.

"Government records indicate that the lost bomb was a dummy and poses little risk of nuclear detonation, said a spokesperson."

Wait. "Little risk"?! What do you mean, little risk? I thought it's a dummy. Shouldn't it be no risk?

Great photography. Remember there's a second diver floating out in the dark or following the main guy on camera.

Part and parcel to cave diving is controlling any dust/sand you kick up (basically: don't). The water is so clear, they've kicked up nothing. That's pretty pro.

I used to know some cave divers. Always thought it sounded cool, until they told me about taking off your BCD/tank and passing it through a gap because you wouldn't fit through while wearing it.

Nope nope nope nope.

Huge respect for these guys, you need to have your wits about you and have your shit together technically, but I'm not sure I could cope with that kinda claustrophobia.

That one is small.

*related=http://videosift.com/video/Goliath-Grouper-Attacks-Diver-Steals-His-Fish-and-Spear-Gun