Could modern civilization really come to an end? Experts take stock of eight doomsday scenarios
The world's cultures have been disappearing, taking valuable knowledge with them, but there is reason to hope
Our highly selective list includes Teflon, dropped calls and the space shuttle
The brief, eventful afterlife of a human corpse
With thousands of people on the waiting lists for organs, doctors are bending the rules about when to declare that a donor is dead. Is it ethical to take one life and give it to another?
As we grow old, our own cells begin to betray us. By unraveling the mysteries of aging, scientists may be able to make our lives longer and healthier
- From the Editor
- Anti Gravity