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

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What is the maximum possible angle of inclination that an adult, female Mallard duck could achieve during takeoff? How much space do they need to achieve flight?

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If flowers are brightly coloured to attract pollinating insects, has the average brightness increased over the years? If we went back far enough, would flowers be dull and bland?

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Is it true that if one takes antibiotics too often, they will lose their effectiveness in the individual the longterm? If so, why?

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Why are some viruses only transmitted by blood/sex and some only by saliva

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Will a given tree turn the same color each Autumn? Why or why not?

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Why is DNA stable when dry, but must be kept frozen when suspended in solution?

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What is the smallest unit that we can see with any microscope? Is it possible to see a molecule with an electron microscope, for example?

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Why do some medications say not to ingest grapefruits and grapefruit juice when taking them?

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[deleted by user]

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What is the link between CTE and suicide?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What is the maximum possible angle of inclination that an adult, female Mallard duck could achieve during takeoff? How much space do they need to achieve flight?	52
If flowers are brightly coloured to attract pollinating insects, has the average brightness increased over the years? If we went back far enough, would flowers be dull and bland?	52
Is it true that if one takes antibiotics too often, they will lose their effectiveness in the individual the longterm? If so, why?	52
Why are some viruses only transmitted by blood/sex and some only by saliva	52
Will a given tree turn the same color each Autumn? Why or why not?	52
Why is DNA stable when dry, but must be kept frozen when suspended in solution?	52
What is the smallest unit that we can see with any microscope? Is it possible to see a molecule with an electron microscope, for example?	52
Why do some medications say not to ingest grapefruits and grapefruit juice when taking them?	52
[deleted by user]	51
What is the link between CTE and suicide?	51