One of the more unusual ways objects can increase longevity is by sacrificing a part of themselves—from dummy burial chambers used to deceive tomb raiders, to a fuse melting in an electrical circuit to safeguard appliances, to a lizard’s tail breaking off to enable its escape. Sacrificial parts can also be found within collagen, the most abundant protein in our bodies.
Click here for original story, Scientists reveal how collagen’s weak sacrificial bonds help protect tissue
Source: Phys.org