/u/Lost4468's posts in /r/askscience

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Many emojis have taken on their own meanings from memes (e.g. 🍆), often entirely unrelated to the picture (🅱️, 💯, 🗿 etc). When reading ancient languages, how do we know their pictographs didn't also have completely unrelated meanings that came from e.g. cultural memes of the time?

779 upvotes

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How is HIV so effective at evading the immune system, despite it only having ~9,000 base pairs and 9 genes in its genome?

35 upvotes

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Does the photon sphere around a black hole actually contain a significant number of photons? Or do they all decay into unstable orbits?

19 upvotes

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What causes a superconductor to stop superconducting with very large magnetic fields or electrical current, despite still being below the critical temperature?

19 upvotes

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Why are the colours/brightness often slightly different in each eye?

15 upvotes

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If the fastest that neurons can oscillate at is a few hundred Hz, then how can we hear and process sound frequencies up to ~20,000Hz?

14 upvotes

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Why is there roughly equal numbers of men and women?

9 upvotes

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Is there a reason base 10 is easier to use or is it just because we've been indoctrinated to use it all our lives?

6 upvotes

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Is it really harmful to cook with olive oil at high heat?

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If a foreign space probe like Voyager 1 entered the solar system, how close to Earth would it have to pass before we could detect it?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Many emojis have taken on their own meanings from memes (e.g. 🍆), often entirely unrelated to the picture (🅱️, 💯, 🗿 etc). When reading ancient languages, how do we know their pictographs didn't also have completely unrelated meanings that came from e.g. cultural memes of the time?	779
How is HIV so effective at evading the immune system, despite it only having ~9,000 base pairs and 9 genes in its genome?	35
Does the photon sphere around a black hole actually contain a significant number of photons? Or do they all decay into unstable orbits?	19
What causes a superconductor to stop superconducting with very large magnetic fields or electrical current, despite still being below the critical temperature?	19
Why are the colours/brightness often slightly different in each eye?	15
If the fastest that neurons can oscillate at is a few hundred Hz, then how can we hear and process sound frequencies up to ~20,000Hz?	14
Why is there roughly equal numbers of men and women?	9
Is there a reason base 10 is easier to use or is it just because we've been indoctrinated to use it all our lives?	6
Is it really harmful to cook with olive oil at high heat?	6
If a foreign space probe like Voyager 1 entered the solar system, how close to Earth would it have to pass before we could detect it?	6