The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
The odds of being killed by falling out of bed are one in two million.
136
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
At the time of your birth, you were, for a few seconds, the youngest person on the planet.
30
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
24
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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