If the melting point of water didn't go down with pressure, ice skates wouldn't work. The reason ice is so slippery is that a film of water forms when you stand on it. Think about it: what other solid substance is as slippery as ice?
It's a common phenomenon for carbonated beverages to freeze when you open them. As any high school kid who hid a case of beer in the trunk of his car.
As stated before, water is about the only substance that expands when it freezes. That accounts for a number of odd characteristics in addition to the two I just mentioned. For example, the oceans would freeze from the bottom up if water contracted as it froze.
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Today's Featured Article - Old Time Threshing - by Anthony West. A lovely harvest evening late September 1947, I was a school boy, like all school boys I loved harvest time. The golden corn ripens well and early, the stoking, stacking,.... the drawing in with the tractors and trailers and a few buck rakes thrown in, and possibly a heavy horse. It would be a great day for the collies and the terrier dogs, rats and mice would be at the bottom of the stacks so the dogs, would have a busy time hunting and killing, all the corn was gathered and ricked in what we c
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