/r/askscience
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Do temporary viruses or infections affect quality of sperm cells? Is a child conceived while the father has a bad cold or influenza at higher risk of birth defects or problems?
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Is the fourth dimensional state of an object just an overlap of every location that object will ever be in throughout all of spacetime, like how you can drag glitchy Windows programs in a trail on screen?
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Are astronomers capable of detecting large asteroids on a collision course with earth, and what would be the outcome or course of action in the event of such a detection?
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