Nearly 50% of the world's scientists are assigned to military projects.
71
Pumice is the only rock that floats on water.
14
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
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
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79