Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Your brain is 80% water.
525
Iron weighs more after it rusts.
68
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
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Balsa wood is classified as a hard wood!
41