Balsa wood is classified as a hard wood!
41
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Sound at the right vibration can bore holes through a solid object.
134
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The average home creates more pollution than does the average car.
33
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Scientists in Germany have developed a candy that doesn't cause cavities.
11