/u/Wishyouamerry's posts in /r/askscience
I just donated blood. "Jack" received my blood and then a very short time later committed a crime and left a drop of blood at the scene. Would my DNA be in that drop of blood, possibly implicating me in the crime?
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94 upvotes
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Are people with primary Raynaud's Disease more likely to get frostbite (or will they get it more quickly) than people without the disease?
85 upvotes
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If a giant asteroid (large enough to destroy the earth) was heading straight for us, at what point in the impact timeline would we be able to see it with the naked eye? Once we could see it, how quickly would it grow larger until it blotted out the rest of the sky?
70 upvotes
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Do any wild animals get addicted to substances the way humans get addicted to drugs? For instance, could a cat become addicted to a patch of catnip and feel compelled to remain near it?
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