Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Research indicates that plants grow healthier when they are stroked.
173
Out of all the senses, smell is most closely linked to memory.
146
Most dust particles in your house are made from dead skin!
67