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Everything

Didn’t even work out

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Will generate enough energy to power Denver

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I like to celebrate post-trail with a few high-quality adult beverages. Where would you recommend for an avid hiker who’s also a beer nut, a wine lover, and a liquor snob?

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New technology has made it easier than ever to keep real-time tabs on an endless array of fitness metrics. Don't drown in the data stream.

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Pandora’s Promise, a new film by Robert Stone, argues that our only chance of escaping climate-change doom is a global shift to atomic energy. David Biello has a few hard questions, including: What will we do with all that waste?

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Drought and climate change have turned western forests into firebombs that go off every summer. Even with new technology, the essential weapon in the fight against flame are the Hotshots, an elite group of wilderness first responders who head straight for the heat.

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Goes to governor to sign

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Facing a feces crisis

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Using freezing air to cool servers

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Survived in an air bubble

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In the past month, I’ve camped at the Wildflower Triathlons, and at the Deuces Wild Triathlon festival. Both times it felt like my sleeping bag wasn’t as warm as it used to be. Do sleeping bags expire?

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After quitting their jobs and selling their house, Coloradoans Erica and Mark Lighthiser packed it up—kids, dog, possessions—and started pedaling north. How far will their journey take them?

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Killed by falling tree

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Threatens 1 in 5 Americans

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Could end research

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Harmful to birds, say UK experts

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There’s been a lot of talk lately about who should foot the bill for backcountry rescues. I’m usually pretty careful, but accidents happen, and I don’t want to get stuck with the tab. Should I purchase rescue insurance for my next way-out-there trip?

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Every summer, 50 elite athletes endure a torture test of cold and wet at a tiny island off the south coast of Ireland, where they train to swim the English Channel. The only rules: No wetsuits. Or whining. Matt Bondurant goes deep.

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In new study from Yeshiva University

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Will swim 100 miles with no shark cage

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Studied the effects of the ash borer beetle

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First, I read about a woman who ran Chicago pregnant. Then I read about a woman who won a marathon while pregnant. Are they outliers, or is it safe to train and race while pregnant?

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When Polly Green set out to work her way back to kayaking's World Championships, she had no idea that she'd end up documenting the rise of the sport's next generation

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Green Mountain Digital re-launches its award-winning bird field guide app, complete with a slew of new social media and geo-tagging features

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Foreign minister headed to Addis Ababa

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As temps in Arizona skyrocketed

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Shot by the SERPENT project

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Austrian nets sixth win of 2013

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Better than aerobic exercise

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Marco Sanchez demonstrates.

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Marco Sanchez demonstrates.

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Marco Sanchez demonstrates.

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Marco Sanchez demonstrates.

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Burn through 2.8 percent of the forest

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Driver escapes unharmed, condition of moose unknown

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Since I was a kid, it’s been droned into me to carry a map and compass in the outdoors, even if it’s a backup for GPS. What’s the least I can get away with?

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The best whitewater gear for kids

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The U.S. Fish and Wildlife agency is making its long-awaited move to lift federal protections for the gray wolf while focusing more resources on Mexican wolf recovery. But the fate of the species remains unclear.

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Those who continue to fixate on cheaters and unfairly accuse innocent riders are missing the point of cycling.

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The iconic travel-writer addresses his new book and the claims that he is an "Afro-pessimist"

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Was familiar with the river

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Would dwarf the Panama Canal

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Advised beach-goers to go to rival beach

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Said he just wasn’t himself

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Responsibility will move to states

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I read about the cardboard bike launching on Kickstarter, but is it true a bike’s been made out of washing machine parts? What’s the weirdest thing a bike’s been made out of?

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The champion South Carolina kayaker can’t train full-time. But that hasn’t stopped her from holding her own in some of the world’s biggest water.

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From ferrying kids to preschool to hitting up the farmer’s market, Xtracycle’s beefy longtail can handle it all.

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United States comes in sixth

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Car had tumbled down a cliff

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Utah will host first competition

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Adam Gemili loses by .1 seconds

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I’ve heard of shoes and special boot inserts that generate electricity every time you step down. It sounds far-fetched. What’s the reality?

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Excerpts from Feed Zone Portables, Allen Lim and Biju Thomas’ new cookbook for nutrition on the go

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After a tabloid linked one of the best female ski racers on the planet to a notorious doping proponent, we decided to take a closer look at the possibilities of doping in the sport. What we found might surprise you.

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Will Grand Rapids, Michigan, soon become the Boulder, Colorado, of the Midwest? Two paddlers are on the path to making it happen.

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Are fixies the true soul of cycling? Or are they just a ridiculous fad blighting urban streets? Two cyclists duke it out.

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This shirt fills a niche that hasn't been nailed by any of the leading merino wool companies yet.

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Did it as a birthday celebration

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Uses accelerometer to measure pet activity

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2.6 mile-wide twister killed 19

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Led to a 70% drop on stray feces

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Not responsible for death

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I run a lot and feel like I’ve had back pain forever. I read about a new study that found bacterial infections cause 40 percent of chronic back pain. Does that study apply to athletes with back pain? Should I ask my doctor about getting tested for a bacterial infection?

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The history of tornadoes in the U.S. by the numbers—and 4 tips on how to survive one

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The high-flying slopestyle star shares where his tricks come from and how he gets ready to face the competition

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Coloradoan rider Jeremy Horgan-Kobelski is going for his fifth straight cross-country title at this year’s GoPro Mountain Games. So why is he eyeing a move to a new discipline?

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When welder Paul Gaylord went to help his sick cat outside of his Prineville, Oregon, home, he never thought the effort would leave him fighting for his life against the Middle Ages’ most notorious disease: the “Black Death.”

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Study finds benefit from daily application

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Helicopters to fight fires at night

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Cause of death unknown

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I’m headed to Hawaii, but lying on the beach is not my thing. What hikes would you recommend?

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A quick and easy guide to making the switch

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Keep your legs moving with this pre-race meal plan

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Keep your legs moving with this pre-race meal plan

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Keep your legs moving with this pre-race meal plan

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Keep your legs moving with this pre-race meal plan

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Keep your legs moving with this pre-race meal plan

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Keep your legs moving with this pre-race meal plan

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