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

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If growing bigger was an evolutionary response to predation, why don't we see more of gigantic-sized animals as big as the dinosaurs? What factors caused the dinosaurs to have such sizes in the first place? When dinosaurs went extinct, why didn't nature replicate this blueprint?

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If I boil water and put it in a flask with perfect vacuum, will it continue to boil? Will the temperature possibly go higher even for a few seconds?

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Aside from electric, are there other viable engine designs that will replace internal combustion soon?

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How do scientists trace an epidemic/pandemic back to Patient Zero?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If growing bigger was an evolutionary response to predation, why don't we see more of gigantic-sized animals as big as the dinosaurs? What factors caused the dinosaurs to have such sizes in the first place? When dinosaurs went extinct, why didn't nature replicate this blueprint?	1
If I boil water and put it in a flask with perfect vacuum, will it continue to boil? Will the temperature possibly go higher even for a few seconds?	1
Aside from electric, are there other viable engine designs that will replace internal combustion soon?	1
How do scientists trace an epidemic/pandemic back to Patient Zero?	1