A cesium atom in an atomic clock beats over nine billion times a second.
43
German chemists made a replica of a trophy the size of one molecule.
68
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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
The average temperature at 40,000 feet above sea level is -60 F.
56
Nearly 50% of the world's scientists are assigned to military projects.
71
Billions of neutrinos pass unnoticed through your body every second.
6