One cubic foot of gold weighs more than 1,200 pounds!
78
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
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 temperature at 40,000 feet above sea level is -60 F.
56
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21