askscience

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Are there any examples in the animal kingdom in which females will fight over a male mate?	126
If I had a steel tube, say 2" in diameter, vacuum sealed and 30,000' high and dropped a marble down it, would that marble create a huge crater bursting through the bottom into the earth since terminal velocity has been removed?	10
If the moon is about 1 light second from earth, when we see it, is it 1 second in the past, or is it further back due to the sun's light first having to reach the moon and reflect back to earth?	1
If the moon is about 1 light second from earth, when we see it, is it 1 second in the past, or is it further back due to the sun's light first having to reach the moon and reflect back to earth?	1
If the moon is about 1 light second from earth, when we see it, is it 1 second in the past, or is it further back due to the sun's light first having to reach the moon and reflect back to earth?	1
If the moon is about 1 light second from earth, when we see it, is it 1 second in the past, or is it further back due to the sun's light first having to reach the moon and reflect back to earth?	1
If the moon is about 1 light second from earth, when we see it, is it 1 second in the past, or is it further back due to the sun's light first having to reach the moon and reflect back to earth?	1
What are some practical uses that me as a "regular guy" could use a microscope for?	1
The sun is ~8 light minutes away from the Earth. If it were to explode would we see the explosion before it actually hit us? Would the explosion be at the speed of light or would it take a substantial amount of time to reach us?	1
If I drink 8 5% ABV 12 oz cans of beer, have I essentially drank the alcohol equivalent of 1 12 oz can of 40% ABV liquor?	1

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