/u/[deleted]'s posts in /r/askscience
What is more beneficial to the environment: washing a yoghurt pot and recycling it, or saving the water and binning it?
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If breaking the sound barrier results in a sonic boom, would going faster than the speed of light have a similar effect?
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Am I correct when I imagine scrubbing my hands with soap and water and the germs are washed down the drain, but when I use hand sanitizer, the germs just sort of sit there on my hands even after they're dead?
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