Scientists in Germany have developed a candy that doesn't cause cavities.
11
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Cold water weighs more than hot water.
93
Sound at the right vibration can bore holes through a solid object.
134
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
The smell of freshly cut grass is actually a plant distress call.
31