The earth is approx. 6,588,000,000,000,000,000 tons.
175
One ragweed plant can release as many as one billion grains of pollen!
51
Balsa wood is classified as a hard wood!
41
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
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
If the chemical sodium is dropped into water it will immediately and violently explode.
67
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
The average temperature at 40,000 feet above sea level is -60 F.
56