The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Research indicates that plants grow healthier when they are stroked.
173
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Scientists aren't sure what color dinosaurs were.
312
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57