Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Diamonds can be shattered with a hammer.
-104
If the chemical sodium is dropped into water it will immediately and violently explode.
67
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
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0