Your brain is 80% water.
525
A cubic yard of air weighs about 2 pounds at sea level.
31
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
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
The sun is 330,330 times larger than the earth.
75
Sound at the right vibration can bore holes through a solid object.
134
A single speck of dust is half way in size between a subatomic particle and the Earth.
15