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TIL the British submarine HMS Artful can stay submerged for 25 years without having to surface for air

TIL the British submarine HMS Artful can stay submerged for 25 years without having to surface fo...

I'm a retired Chief submariner with over 23 years experience working on subs. The ability to stay submerged indefinitely is nothing new. But there's no way any ship can stay submerged that long. For several decades now the limiting factor on nuclear submarines staying at sea has been the supply of food and the crews sanity. Speaking from personal experience, I can tell you we can last several months if we pack heavy. Maintaining sanity on the other hand doesn't always last that long.

TIL of The Stoned Ape Theory, which is a controversial theory from Terence McKenna which states that a lot of our advanced human evolution came as a result of the ingestion of psilocybin mushrooms, also known as magic mushrooms by our primate ancestors.

TIL of The Stoned Ape Theory, which is a controversial theory from Terence McKenna which states t...

I like his thoughts about dying:

I always thought death would come on the freeway in a few horrifying moments, so you'd have no time to sort it out. Having months and months to look at it and think about it and talk to people and hear what they have to say, it's a kind of blessing. It's certainly an opportunity to grow up and get a grip and sort it all out. Just being told by an unsmiling guy in a white coat that you're going to be dead in four months definitely turns on the lights. ... It makes life rich and poignant. When it first happened, and I got these diagnoses, I could see the light of eternity, a la William Blake, shining through every leaf. I mean, a bug walking across the ground moved me to tears.

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