A cubic yard of air weighs about 2 pounds at sea level.
31
Sound travels about 4 times faster in water than in air.
408
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
Nearly 50% of the world's scientists are assigned to military projects.
71
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Billions of neutrinos pass unnoticed through your body every second.
6