Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Balsa wood is classified as a hard wood!
41
Scientists in Germany have developed a candy that doesn't cause cavities.
11
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
A cesium atom in an atomic clock beats over nine billion times a second.
43