Tim Sohn

Al Needs Some Copilots

You don't need to have billions or hold office to make a big difference. Just check out how this year's nine eco-all-stars—from a Chilean dam buster to a snowboarder who's seen the...

Navy Seals

Swim. Bike. Run. Shoot. Kill.

Overrun with linebacker types who can't hack the training, recruiters for the Navy SEALs are targeting X Gamers and endurance athletes. Because who wouldn't want Lance Armstrong on the front...

Taking On the World

Leonardo DiCaprio's new documentary aims to shock us into saving the planet. Will viewers show up?

The Hole Shebang

There’s something sublime about a dip in a natural swimming hole, be it a lazy oxbow in a cool river, a hillside nook fed by a subterranean hot-spring, or a limestone bowl bored out by a 40-foot...

Arnold Schwarzenegger

Green Giants

Meet 23 real-world leaders building a future where SUVs run on algae, skyscrapers have the carbon footprints of toolsheds, conservation is a religious imperative, and inconvenient truths have very...

unsolved mysteries

Case Cold

Who can resist a good mystery, the kind that leaves you both rattled and baffled? Certainly not us. So it's with sinister pleasure that we bring you 13 tales of unrighteous deeds, inexplicable...

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