Doctors hide thumb bone in man’s arm after work injury, then use it to build new one
When patients experience extreme trauma, sometimes doctors have to find creative ways to help get their lives back to normal. This is what a medical team in Iran did for a 25-year-old worker after a ...
If humans could fly, how big would our wings be?
Humans don't have hollow bones like birds do, so how big would our wings have to be to lift us off the ground?