One barrel of petroleum holds 42 gallons.
20
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
German chemists made a replica of a trophy the size of one molecule.
68
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
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
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
Balsa wood is classified as a hard wood!
41