Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Out of all the senses, smell is most closely linked to memory.
146
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
The average home creates more pollution than does the average car.
33
Your brain is 80% water.
525
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118