New Analysis of Bone Helps Explain Why It's So Strong

Superman was the Man of Steel. We can't possibly be like him. But guess what? Ounce for ounce, our bones are stronger than steel. So why are people always breaking them? It's because bones are also light and flexible, and the physics behind the speed and angle of blows make mincemeat of strength measures. That's why a karate expert can break brick with his hand, but might also break a finger after slipping on ice. Chest compressions performed too fast on someone in cardiac arrest can b