Balsa wood is classified as a hard wood!
41
Scientists aren't sure what color dinosaurs were.
312
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 left ear is more responsive to words of love and emotion whispered into it than the right.
40
Pumice is the only rock that floats on water.
14
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The earth is approx. 6,588,000,000,000,000,000 tons.
175