article_snippet.sent: However, rather than getting bigger as the skin tore, the notches simply yawned open.
article_snippet.sent: Dr Marc Meyers, a materials scientist at the University of California San Diego who also took part in the research, said: 'Straightening and stretching allow the uptake of strain without much stress increase, and sliding allows more energy dissipation during inelastic deformation. '
article_snippet.sent: The graphic above shows what happens to a notch in skin when The graphic is stretched (left) compared to bone (right)