The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Hot water can freeze faster than cold water.
181
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 cubic foot of gold weighs more than 1,200 pounds!
78
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Iron weighs more after it rusts.
68
The bark of an older redwood tree is fireproof.
65
The average temperature at 40,000 feet above sea level is -60 F.
56