Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
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
Out of all the senses, smell is most closely linked to memory.
146
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304