The bark of an older redwood tree is fireproof.
65
One third of the electricity produced on earth is used to power electric light bulbs!
75
A ball of glass will bounce higher than a ball made of rubber.
73
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Nearly 50% of the world's scientists are assigned to military projects.
71
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