When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Hot water can freeze faster than cold water.
181
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
Scientists aren't sure what color dinosaurs were.
312
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
The only letter not appearing on the Periodic Table is the letter "J".
180