Insight Video: Abuse of topsoil and soil erosion are growing problems around the world; without healthy soil, we can’t produce healthy food. It’s a global issue, yet the solution is essentially local.
The past century has seen great changes in what we call food. Life in the kitchen may be easier thanks to our love of scientific progress, but at what cost?
What does it take to achieve a long and prosperous life? In The Blue Zones, National Geographic writer and explorer Dan Buettner relates his attempt to find out.
Early in stem cell research, scientists believed that differentiated body cells could not be coaxed back to a stem-like state. This belief has been turned on its head, offering hope for more healthy aging.
Aging and death are part of life—or are they? Science is telling us that it may soon be possible to extend life indefinitely. But is that what we really want?