When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Out of all the senses, smell is most closely linked to memory.
146
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
The average home creates more pollution than does the average car.
33
Cold water weighs more than hot water.
93
No matter how cold it gets, gasoline will not freeze.
107