a metacarpal fracture can occur in any sport although the highest risk is in those sports where there is a risk of a high energy impact occurring to the athlete s hand classically this occurs in boxers and other athletes involved in the martial arts
ï· fossils provide clues about both abiotic and biotic factors of past ecosystems. ï· fossils provide evidence about the changes in climate and temperature of past. ecosystems. ï· fossils can give us clues about how organisms interacted with one another.
Credit: Laurent Mekul. It might sound like something out of Jurassic World but itâs true: Inside fossilized dinosaur bones, researchers have discovered 75-million-year-old red blood cells and proteins. This discovery indicates that blood and other cells might be preserved much longer in fossils than previously believed.