Cold water weighs more than hot water.
93
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
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
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
Each day, up to 150 species of life become extinct.
-23
Nylon is made from coal and petroleum.
42
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0