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 hair of an adult man or woman can stretch 25 percent of its length without breaking.
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Iron weighs more after it rusts.
68
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The only letter not appearing on the Periodic Table is the letter "J".
180