Diamonds can be shattered with a hammer.
-104
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The force of a suction cup is calculated using F=AP.
15
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Hot water can freeze faster than cold water.
181
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The average temperature at 40,000 feet above sea level is -60 F.
56