The "Cobra Effect" is where a solution for a problem actually makes the problem worse.
21
If you get water flowing fast enough, it can cut metal.
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Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
The human eye blinks an average of 4,200,000 times a year.
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There are 2,500,000 rivets in the Eiffel Tower.
98
A sneeze travels out your mouth at over 100 m.p.h.!
29
The first household refrigerators cost about $16,000, in today's money!
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The majority of suicides occur on a Monday.
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