When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Research indicates that plants grow healthier when they are stroked.
173
One third of the electricity produced on earth is used to power electric light bulbs!
75
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Hot water can freeze faster than cold water.
181
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21