Sound travels about 4 times faster in water than in air.
408
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
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
Billions of neutrinos pass unnoticed through your body every second.
6
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16