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
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Iron weighs more after it rusts.
16
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199