Research indicates that plants grow healthier when they are stroked.
173
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Scientists aren't sure what color dinosaurs were.
312
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
A single speck of dust is half way in size between a subatomic particle and the Earth.
15