The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Pumice is the only rock that floats on water.
14
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16
A cubic yard of air weighs about 2 pounds at sea level.
31
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
Nearly 50% of the world's scientists are assigned to military projects.
71
Sound travels about 4 times faster in water than in air.
408