Most dust particles in your house come from dead skin.
48
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The average temperature at 40,000 feet above sea level is -60 F.
56
Iron weighs more after it rusts.
68
A cesium atom in an atomic clock beats over nine billion times a second.
43
Diamonds can be shattered with a hammer.
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