› added 4 weeks ago

7

TIL that Shelley wrote Ozymandias as part of a contest between himself and Horace Smith. Smith's poem is far less remembered.

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via reddit.com

BrAOe TIL about the Veryovkina Cave, the world's deepest cave. Since 1982, a team known as "Perovo-speleo" has been researching and going deeper and deeper. In 2021, at a depth of -1100m, they found the body of a tourist.
jN7Op TIL the sun is made up of plasma where hydrogen accounts for about 73.4% of the total mass or 92% of the total number of atoms. The other basic building block is helium, which accounts for 25% of the mass or 7.8% of the total number of atoms. Every second 6 million tons of hydrogen turns into helium
oRP5o TIL: We know more about the surface of Mars that the deepest part of our oceans
9ZAQ TIL that there’s ‘seizure response dogs’ who smell seizures 30 minutes before they happen and warn their owners.
7rYXP TIL that in order to overdose on marijuana, an individual would have to consume 1,500 pounds of marijuana within 15 minutes to die.