The bark of an older redwood tree is fireproof.
65
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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
The sun is 330,330 times larger than the earth.
75
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Your brain is 80% water.
525