When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Pure water (H2O) does not conduct electricity on its own.
46
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
Sound travels about 4 times faster in water than in air.
408
For every gallon of sea water, you get more than a quarter pound of salt.
45
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5