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

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What is the evolutionary explanation for the different blood types among humans/primates, or any other animal species in general?

1 upvotes

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Does running in the opposite direction when a train is about to hit a wall actually do something?

1 upvotes

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How do scientists "accurately" measure the distance to a black hole, knowing that black holes can slow light?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What is the evolutionary explanation for the different blood types among humans/primates, or any other animal species in general?	1
Does running in the opposite direction when a train is about to hit a wall actually do something?	1
How do scientists "accurately" measure the distance to a black hole, knowing that black holes can slow light?	0