Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Each day, up to 150 species of life become extinct.
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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
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
For every gallon of sea water, you get more than a quarter pound of salt.
45
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Sound travels fifteen times faster through steel than through air.
134