A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The smell of freshly cut grass is actually a plant distress call.
31
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Indoor pollution is 10 times more toxic than outdoor pollution.
62
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
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
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