askscience

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If I had two cups of water, one normal size and one as big as a swimming pool and stirred them both with proportionally sized spoons, would the larger pool of water keep spiraling longer than the smaller?	695
Did all trees that have thorns come from a common ancestor or did trees in different regions across the world with thorns all develop them on their own naturally through evolution?	9
In a tilt gear wand, specifically the ones used to open and close blinds by turning, is there more leverage or torque grabbing and twisting near the top or near the bottom of the stick?	7
Do Microwaves (The appliance) "heat up" or are they instantly as hot as they get?	5
When Lava cools and become rock is it "freezing" in the same way that water turns into ice?	3
If I kept a pool of water at exactly 32.000001 degrees Fahrenheit would it never freeze? If i kept it at 31.99999 would it never thaw?	2
If this video was from an alien world how much could we tell about it's star based on the moving sunlight? (GIF in description)	1
In Back To The Future III Doc Brown uses a machine to make a piece of ice. Given the materials he had access to and his advanced scientific knowledge would this actually be possible and if yes how would it be done?	1
If the funding for the sciences was switched with the military after a vote, what new technologies / inventions do you think we could have in one year?	1
If I were to light a large object on fire(engulfed in flames not a small fire), like a house, and then put that object on a giant scale and measure its weight while fire and then suddenly put all the fire out at once would the weight of the house go up or down at all?	1

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