Why do we age?
You probably imagine that all living things end up wearing out and that there is no avoiding it. Cars and vacuum cleaners used daily end up bringing life to life. On the face of it, animals seem to age and die in a similar way. But Steven Osted, a professor of zoology, explains: "Living beings are completely different from machines. The most essential characteristic that distinguishes living beings is their ability to repair themselves." The [Read more...]
