The "Cobra Effect" is where a solution for a problem actually makes the problem worse.
21
Cash machines are as dirty as public toilets.
174
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Only humans shed emotional tears.
331
If the human eye was a digital camera, it would have 576 megapixels.
25
If left alone, 70% of birthmarks gradually fade away.
193