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

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how complex does an animal's brain have to be in order for it to need sleep?

636 upvotes

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What are thoughts made of and how are memories formed, stored and recalled?

43 upvotes

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What causes large crowds to move slower than the average individual in the crowd? e.g. traffic jams.

33 upvotes

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How much matter is there in a square meter of space?

7 upvotes

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How can asexual species evolve?

5 upvotes

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Why is it that if I try to go to sleep too early I only sleep for an hour or two despite being exhausted?

3 upvotes

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How do scientists decide where to look with the Hubble or any other high powered device that observes space?

3 upvotes

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Do people in the International Space Station experience day and night? Or is it continuously one or the other?

2 upvotes

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Do viruses have any ecological benefit? What would happen if we were to eradicate them all?

1 upvotes

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So everyone knows about animals with a strong sense of smell or sight or hearing, what about taste? Are there any animals with really developed taste buds or other ways of tasting their food?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
how complex does an animal's brain have to be in order for it to need sleep?	636
What are thoughts made of and how are memories formed, stored and recalled?	43
What causes large crowds to move slower than the average individual in the crowd? e.g. traffic jams.	33
How much matter is there in a square meter of space?	7
How can asexual species evolve?	5
Why is it that if I try to go to sleep too early I only sleep for an hour or two despite being exhausted?	3
How do scientists decide where to look with the Hubble or any other high powered device that observes space?	3
Do people in the International Space Station experience day and night? Or is it continuously one or the other?	2
Do viruses have any ecological benefit? What would happen if we were to eradicate them all?	1
So everyone knows about animals with a strong sense of smell or sight or hearing, what about taste? Are there any animals with really developed taste buds or other ways of tasting their food?	1