The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Indoor pollution is 10 times more toxic than outdoor pollution.
62
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
In zero gravity, a candle's flame is round and blue.
16
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Liquid TIDE laundry detergent glows under a blacklight.
96
A cesium atom in an atomic clock beats over nine billion times a second.
43
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108