/r/askscience
If telomeres shorten at each cell division, how come each successive generation doesn't have shorter telomeres?
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When two different color lights intersect or shine on the same area, do the wavelengths merge to create a single wavelength of a new color or do you still have two wavelengths that are now just stacked and the stack is what appears as a new color?
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What happens if you take a 1-Lightyear long stick and connect it to a switch in 1-Lighyear distance, and then you push the stick, Will it take 1Year till the switch gets pressed, since you cant exceed lightspeed?
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Does the body constantly produce vitamin D when out in the sun, or does it get to a point where it's got enough and shuts down the process?
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