Brass doorknobs automatically disinfect themselves in about 8 hours.
18
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Most dust particles in your house come from dead skin.
48