The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Nylon is made from coal and petroleum.
42
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
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
One ragweed plant can release as many as one billion grains of pollen!
51
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9