Sound at the right vibration can bore holes through a solid object.
134
The smell of freshly cut grass is actually a plant distress call.
31
Most dust particles in your house are made from dead skin!
67
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The force of a suction cup is calculated using F=AP.
15
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61