Cold water weighs more than hot water.
93
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Scientists in Germany have developed a candy that doesn't cause cavities.
11