Pure water (H2O) does not conduct electricity on its own.
46
If the chemical sodium is dropped into water it will immediately and violently explode.
67
No matter how cold it gets, gasoline will not freeze.
107
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The average home creates more pollution than does the average car.
33
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20