A 'jiffy' is an actual unit of time for 1/100th of a second!
66
If the chemical sodium is dropped into water it will immediately and violently explode.
67
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Scientists aren't sure what color dinosaurs were.
312
Balsa wood is classified as a hard wood!
41