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

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When astronomers compute the distance to a star cluster by curve fitting to an H-R diagram, how is it initially determined which stars are in the cluster and which stars are not? And how do they compensate for relativistic effects on emission spectra?

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Is it possible to derive an expression for length contraction from the classic "charged particles moving next to a current-carrying wire" example?

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Amongst species which mate for life, have behaviors loosely analogous to divorce ever been observed?

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What would happen if someone put LSD into a city's water supply?

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How much of a person's bodily odor comes from their skin oils and how much comes from bacteria on their skin?

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Whenever I catch a cold, it starts out as a sore throat for a day or two and then moves on to a stuffy nose, aches, and sluggishness. Do these symptoms correspond to different "phases" of my body's immune response?

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What makes rare steak safe to consume?

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Is anaphylaxis a more severe action of the same mechanism that causes sneezing/itching?

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Do plants have something analogous to the immune system?

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How screwed would NY and NJ have been if Hurricane Sandy had been, say, a Cat. 3, 4, or 5 storm?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When astronomers compute the distance to a star cluster by curve fitting to an H-R diagram, how is it initially determined which stars are in the cluster and which stars are not? And how do they compensate for relativistic effects on emission spectra?	1
Is it possible to derive an expression for length contraction from the classic "charged particles moving next to a current-carrying wire" example?	1
Amongst species which mate for life, have behaviors loosely analogous to divorce ever been observed?	1
What would happen if someone put LSD into a city's water supply?	1
How much of a person's bodily odor comes from their skin oils and how much comes from bacteria on their skin?	1
Whenever I catch a cold, it starts out as a sore throat for a day or two and then moves on to a stuffy nose, aches, and sluggishness. Do these symptoms correspond to different "phases" of my body's immune response?	1
What makes rare steak safe to consume?	1
Is anaphylaxis a more severe action of the same mechanism that causes sneezing/itching?	1
Do plants have something analogous to the immune system?	1
How screwed would NY and NJ have been if Hurricane Sandy had been, say, a Cat. 3, 4, or 5 storm?	1