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

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When a pregnant woman goes into labor, what is the proximate physiological change that caused the labor to begin? What mechanism if any functions as a sort of genetic clock for how long the baby will gestate and when this process will end?

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NASA posted this picture of a black hole to their Instagram account. Is it real? Fake? Have we observed black holes?

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Why does a wet washcloth stick to things, even a fairly smooth tiled shower wall?

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If an explosion were to ignite the entire atmosphere of the earth. How long would it take for everyone to die?

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What would happen if a coronal mass ejection similar to the size of the one in 1859 happened today?

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What is the trade-off that requires astronauts to be able to withstand several Gs during launch?

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Does gas actually get cooler when it expands in vacuum?

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Do all animals,insects and everything else get cancer or is there any species that doesn't?

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What's the possibility of a small table mounted laser that tracked and burns down fast moving small insects such as flies and mosquitoes?

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What is physics like around a super fast spinning star?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When a pregnant woman goes into labor, what is the proximate physiological change that caused the labor to begin? What mechanism if any functions as a sort of genetic clock for how long the baby will gestate and when this process will end?	17
NASA posted this picture of a black hole to their Instagram account. Is it real? Fake? Have we observed black holes?	17
Why does a wet washcloth stick to things, even a fairly smooth tiled shower wall?	17
If an explosion were to ignite the entire atmosphere of the earth. How long would it take for everyone to die?	17
What would happen if a coronal mass ejection similar to the size of the one in 1859 happened today?	17
What is the trade-off that requires astronauts to be able to withstand several Gs during launch?	17
Does gas actually get cooler when it expands in vacuum?	17
Do all animals,insects and everything else get cancer or is there any species that doesn't?	17
What's the possibility of a small table mounted laser that tracked and burns down fast moving small insects such as flies and mosquitoes?	17
What is physics like around a super fast spinning star?	17