In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The bark of an older redwood tree is fireproof.
65
Nearly 50% of the world's scientists are assigned to military projects.
71
Scientists aren't sure what color dinosaurs were.
312
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Balsa wood is classified as a hard wood!
41
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88