Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
If the chemical sodium is dropped into water it will immediately and violently explode.
67
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
One ragweed plant can release as many as one billion grains of pollen!
51
One barrel of petroleum holds 42 gallons.
20
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108