/u/[deleted]'s posts in /r/askscience

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What exactly is the prevailing theory about how life began on earth?

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Can animals be afraid of an item which represents a predator they have no point of reference for?

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How are birds and animals able to eat raw meat without getting the same infections and diseases that humans get?

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Am I seeing cosmic microwave background radiation on an ordinary spectrum analyzer?

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Is it possible for two planets to orbit so closely to one another that their atmospheres intersect?

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We are getting closer to lab-grown meat being widely available. Is there any reason why things such as lab-grown milk and lab-grown eggs could not also exist, or do these present additional technical/biological challenges?

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Why doesn’t chemotherapy have a 100% success rate?

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How did grass “colonize” the earth?

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Why do we see intricate patterns when pressing down on closed eyes?

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If the temperature of a gas reaches absolute zero, what would happen to the volume, rather, what would the volume be?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What exactly is the prevailing theory about how life began on earth?	13
Can animals be afraid of an item which represents a predator they have no point of reference for?	13
How are birds and animals able to eat raw meat without getting the same infections and diseases that humans get?	13
Am I seeing cosmic microwave background radiation on an ordinary spectrum analyzer?	13
Is it possible for two planets to orbit so closely to one another that their atmospheres intersect?	13
We are getting closer to lab-grown meat being widely available. Is there any reason why things such as lab-grown milk and lab-grown eggs could not also exist, or do these present additional technical/biological challenges?	13
Why doesn’t chemotherapy have a 100% success rate?	13
How did grass “colonize” the earth?	13
Why do we see intricate patterns when pressing down on closed eyes?	13
If the temperature of a gas reaches absolute zero, what would happen to the volume, rather, what would the volume be?	13