The bark of an older redwood tree is fireproof.
65
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
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
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Sound travels about 4 times faster in water than in air.
408
Your brain is 80% water.
525