A single speck of dust is half way in size between a subatomic particle and the Earth.
15
German chemists made a replica of a trophy the size of one molecule.
68
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
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