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

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Assuming we can build a detector sensitive enough, how far back into the age of the universe could we see using gravitational wave astronomy as opposed to traditional electromagnetic astronomy?

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What is it about the structure of cellulose that makes it so hard to digest? Why have so few multicellular organisms evolved the enzymes to take advantage of this?

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What is the precipitating event in a given radioactive nucleus that causes it to spontaneously decay?

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How seriously should we take the risk of the Earth being hit by a catastrophic asteroid impact?

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How important is it for low-risk groups to get the annual flu vaccine?

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Are there any examples of diseases that crossed the species barrier to infect humans from non-mammalian sources? What's the most phylogenically distant organism that is known/likely to be the origin of a human pathogen?

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ELI5 Why was Newtonian gravitation unable to account for Mercury's orbit?

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Is it possible for the singularity inside a black hole to have a diameter less than the Planck length?

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What is the current consensus on which nutrients would be beneficial to supplement in a modern diet?

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Is there any evidence of certain couples/individuals having a predisposition to having children of one sex over the other?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Assuming we can build a detector sensitive enough, how far back into the age of the universe could we see using gravitational wave astronomy as opposed to traditional electromagnetic astronomy?	3
What is it about the structure of cellulose that makes it so hard to digest? Why have so few multicellular organisms evolved the enzymes to take advantage of this?	3
What is the precipitating event in a given radioactive nucleus that causes it to spontaneously decay?	3
How seriously should we take the risk of the Earth being hit by a catastrophic asteroid impact?	2
How important is it for low-risk groups to get the annual flu vaccine?	2
Are there any examples of diseases that crossed the species barrier to infect humans from non-mammalian sources? What's the most phylogenically distant organism that is known/likely to be the origin of a human pathogen?	1
ELI5 Why was Newtonian gravitation unable to account for Mercury's orbit?	1
Is it possible for the singularity inside a black hole to have a diameter less than the Planck length?	1
What is the current consensus on which nutrients would be beneficial to supplement in a modern diet?	1
Is there any evidence of certain couples/individuals having a predisposition to having children of one sex over the other?	1