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

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Is it the common understanding that all life on earth shares a common origin and ancestor? Even methane metabolizing bacteria? How do we know life didn't spring up in a common way in separate places or times?

11 upvotes

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Can we be sure that no animal ever had the ability to breathe fire?

1 upvotes

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If intense pressures contribute to fossilization, might we expect to find a great amount of fossils under the floor of the ocean?

1 upvotes

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What would happen if I fell into a vat of liquid nitrogen?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Is it the common understanding that all life on earth shares a common origin and ancestor? Even methane metabolizing bacteria? How do we know life didn't spring up in a common way in separate places or times?	11
Can we be sure that no animal ever had the ability to breathe fire?	1
If intense pressures contribute to fossilization, might we expect to find a great amount of fossils under the floor of the ocean?	1
What would happen if I fell into a vat of liquid nitrogen?	1