The bark of an older redwood tree is fireproof.
65
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
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
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Balsa wood is classified as a hard wood!
41
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
Billions of neutrinos pass unnoticed through your body every second.
6