Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
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
Pumice is the only rock that floats on water.
14