Scientists aren't sure what color dinosaurs were.
312
Sound travels about 4 times faster in water than in air.
408
Iron weighs more after it rusts.
16
Out of all the senses, smell is most closely linked to memory.
146
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
Sound travels fifteen times faster through steel than through air.
134
The bark of an older redwood tree is fireproof.
65