A cubic yard of air weighs about 2 pounds at sea level.
31
The bark of an older redwood tree is fireproof.
65
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Pumice is the only rock that floats on water.
14
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 idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Iron weighs more after it rusts.
16