Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Scientists aren't sure what color dinosaurs were.
312
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Indoor pollution is 10 times more toxic than outdoor pollution.
62