Sound at the right vibration can bore holes through a solid object.
134
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
In zero gravity, a candle's flame is round and blue.
16
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
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Scientists aren't sure what color dinosaurs were.
312
Out of all the senses, smell is most closely linked to memory.
146
The average home creates more pollution than does the average car.
33