You Are Alive Today Thanks to the Symbionts in Your Body

Mitochondria float around in the goo of your cells, tirelessly making the molecules that power your body. But these mitochondria used to be independent of your body; they were bacteria, floating free in the world. You are, at a fundamental level, the result of symbiosis — the interdependence of two life forms. » 9/23/14 11:27am 9/23/14 11:27am

Scientists develop an 'elixir' that reverses a known cause of aging

To date, we know of only two things that can reverse the effects of aging: caloric restriction and extensive exercise. But in a recent experiment, researchers applied a new compound to 2-year old mice, causing their muscles to regenerate to 6-month old levels. Incredibly, human trials may start next year. » 12/20/13 8:40am 12/20/13 8:40am