/u/brokenimage321's posts in /r/askscience

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How did ancient mathematicians develop so much geometrical theory without access to things like precision measuring instruments, cheap writing materials, and high-quality straightedges?

14 upvotes

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How can we predict solar eclipses? And how were ancient people able to do so?

10 upvotes

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I've heard that common advice for concussion sufferers is to "not think too hard." Is this valid advice? How/why does it help?

1 upvotes

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What do wild animals do in their "leisure time?"

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Is there any psychological merit to Aristotle's idea of "catharsis?"

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If the moon was in a geostationary orbit, would that mean it would go through all its phases in 24 hours?

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How much do parrots understand of human speech?

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What could have happened to our bird's nest?

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Would the unusual eating patterns observed that naturalist Eric Carle observed in a very hungry caterpillar provide sufficient nutrients to allow metamorphosis into a beautiful butterfly?

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Is the idea of the healthiness of "fresh air" a holdover from the miasma theory of disease, or are there actual physiological benefits?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How did ancient mathematicians develop so much geometrical theory without access to things like precision measuring instruments, cheap writing materials, and high-quality straightedges?	14
How can we predict solar eclipses? And how were ancient people able to do so?	10
I've heard that common advice for concussion sufferers is to "not think too hard." Is this valid advice? How/why does it help?	1
What do wild animals do in their "leisure time?"	1
Is there any psychological merit to Aristotle's idea of "catharsis?"	1
If the moon was in a geostationary orbit, would that mean it would go through all its phases in 24 hours?	1
How much do parrots understand of human speech?	1
What could have happened to our bird's nest?	1
Would the unusual eating patterns observed that naturalist Eric Carle observed in a very hungry caterpillar provide sufficient nutrients to allow metamorphosis into a beautiful butterfly?	1
Is the idea of the healthiness of "fresh air" a holdover from the miasma theory of disease, or are there actual physiological benefits?	1