Sound at the right vibration can bore holes through a solid object.
134
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The bark of an older redwood tree is fireproof.
65
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
No matter how cold it gets, gasoline will not freeze.
107