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Physics
Yesterday my son (nine years old) told me that toilets in Australia flush backwards. I never was...
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This is a well known urban myth and it's totally false. One of the best...
Read the answer...Biology
I was wondering where I can find good resources on determining the movement of an obese person...
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The best work that I know is some recent research by Ray Browning and Rodger...
Read the answer...Physics
What exactly is gravity? Is it a wave or a ray? What exactly is the attraction that makes...
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Gravity is not a ray or a force, although in some situations it can act like...
Read the answer...Biology
I'm just curious why we humans are the only species on this planet that have to manufacturer...
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Evolutionary biologist Elie Dolgin contributed to this answer. Many animals use...
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