A Wing and a Prayer: The U.S.'s Crumbling Air-Travel Infrastructure
Rookie controllers, antiquated equipment, and federal mismanagement combine to produce inefficiency and danger.
I Didn't Sin—It Was My Brain
Brain researchers have found the sources of many of our darkest thoughts, from envy to wrath.
Jane Goodall on the Lazarus Effect
Rediscovery of a long-lost species sends a message of hope about second chances for all of us. Goodall relates two beautiful examples: the tiny Caspian horse and the Lord Howe Island phasmid (it's a bug).
The Second Coming of Gene Therapy
For years, gene therapy produced tons of hype but no results. Recently, though, new approaches have yielded its first successes: breakthrough treatments for blindness, cancer, and the deadly bubble boy disease.
Is Jupiter's Bizarre Moon Our Best Hope for Finding Extraterrestrial Life?
NASA is gambling $4 billion that there's life beneath the thin atmosphere, lethal radiation, and miles-thick ice on Europa.