Indoor pollution is 10 times more toxic than outdoor pollution.
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German chemists made a replica of a trophy the size of one molecule.
68
Nearly 50% of the world's scientists are assigned to military projects.
71
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
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
One cubic foot of gold weighs more than 1,200 pounds!
78
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42