One cubic foot of gold weighs more than 1,200 pounds!
78
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
One third of the electricity produced on earth is used to power electric light bulbs!
75
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17