Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Pure water (H2O) does not conduct electricity on its own.
46
Sound travels about 4 times faster in water than in air.
408
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
Sound at the right vibration can bore holes through a solid object.
134
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55