Sound travels about 4 times faster in water than in air.
408
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
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
The average home creates more pollution than does the average car.
33
No matter how cold it gets, gasoline will not freeze.
107
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
A single speck of dust is half way in size between a subatomic particle and the Earth.
15