askscience

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Would it be possible to clean the lungs out in the future by simple methods?	1
Why does a whistle work on dogs, but a chirp works on cats- is this merely sound frequency or related to their hunting evolution?	1
Often, supermarkets sell 'green veg', but it's not that green. Does this mean it is chlorophyll (the green causer) that is nutritious, as yellow or completely faded lettuce I assume isn't worth eating except for its fiber content?	1
Could a supersonic plane reduce sonic boom drastically by emitting a loud noise-cancellation wave?	1
How did mosquitos evolve to have a very loud flying noise when it is such a disadvantage for their survival, and such a trait shouldn't technically be passed on as much as quiet wings? Related: Are Mozzies getting Quieter?	1
If matter could travel at the speed of light and a flashlight was travelling at it, would the light not emit from the flashlight because otherwise light would be travelling faster than it's own speed? [Theoretical physics]	1
If matter could travel at the speed of light and a flashlight was travelling at that speed, would the light Not emit from the flashlight, because otherwise light would be travelling faster than it's own speed? [Theoretical physics]	1
(In very possible future reality), how exactly, using your knowledge of DNA, could the process that turns male sperm into male eggs, and female eggs into female sperm (IVG) be modified to create an equal mix of dna from three parents of any sex, in very probable future three-way relationships?	1
If the skull was artificially much more expandable during development, would the brain grow to be larger than it is- does the skull size/shape limit growth size/shape; if so, does this cap the potential intelligence capacity in comparison to the same limited, smaller brain which is given less space?	1
Why does sugar or chocolate get hotter than any other food when microwaved, and does any of the extra energy come from itself? Same mass, same time- but sugar always ends up with more heat!	1

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