When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Billions of neutrinos pass unnoticed through your body every second.
6
Scientists aren't sure what color dinosaurs were.
312
The average home creates more pollution than does the average car.
33
Research indicates that plants grow healthier when they are stroked.
173
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44