Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
A cesium atom in an atomic clock beats over nine billion times a second.
43
Sound travels about 4 times faster in water than in air.
408
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
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
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17