Most dust particles in your house come from dead skin.
48
A ball of glass will bounce higher than a ball made of rubber.
73
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
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
Sound travels about 4 times faster in water than in air.
408
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11