Spyke

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What are some gross or disgusting facts about the human body that people aren't aware of?

Retrograde menstruation.

Because the feliciano tubes aren’t closed on the ends, where they interact with the ovaries, blood from a period can flow backwards into your abdominal cavity.

Additionally, a small amount of sperm (if a woman is sexually active and say trying for a baby) can also go the full way and leak into the abdominal cavity.

So some women can have blood and semen free floating in their abdominal cavity. Between organs

Edit: autocorrect got me. I meant “fallopian tubes”

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Firms are exploring sodium batteries as an alternative to lithium

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I’m a PhD candidate in chemistry. I’ve never once seen sodium refer to the salt, sodium chloride. Sodium is the metallic form or the atom.

However, why sodium, tungsten, lead, antimony, tin, silver, gold, mercury, iron, and potassium and not their Latin forms? Natrium, wolfram, plumbum, stibium, stannum, argentum, aurum, hydrargyrum, Ferrum and kalium? I don’t really know. Mostly it’s just fun trivia for me to tell the undergrads.

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Why does Harley Quinn look like a teenager in various animated series, but in the film she is an adult woman aged 30+?

She was a doctor of phycology, so she’s easily late 20s early 30s. Not teenage. Maybe you think she looks young because she’s in shape? I’ve met 40 year olds IRL that have bodies like that. So I dunno about the “looks like a teenager” thing.

Also remember that in cartoons everyone has fair (smooth) skin until they’re quite old. It’s hard to show subtle signs of aging with cartoon detail. So they’re fair right up until they’re “old”.