Outdoor activities such as biking, climbing and hiking keep you active during the warmer months. Learn more about snow sports like bobsledding and the Iditarod to keep you moving this winter.
You can repair a bicycle yourself instead of relying on a repair shop. If you want to save some money and learn some new skills, find out what materials and tools you need to make common repairs and get your bicycle back on the road fast.
Every boat owner should know how to maintain a boat to prevent it from aging and damage. Learn how to make important boat repairs as well as build useful boat accessories.
Prepare for your next camping trip by learning how to make and repair camping equipment. This article gives tips for repairing a tent making a tarp and resoling hiking boots. Helpful illustrations are included.
For BASE jumpers, leaping out of an airplane at 15,000 feet and free-falling at well over 100 mph isn't quite daring enough. They look for more unique ways to test their limits -- stunts so risky that they're actually illegal in many places.
25-year-old, Lakpa Tharke Sherpa, set a world record when he stripped naked on the summit of Mt. Everest in 2006. He faced also created controversy because the mountain is considered sacred. Learn about this record here.
More than 2,200 people have succeeded, but nearly 200 have lost their lives attempting to climb Mount Everest. So why do it? The most famous answer, from climber George Mallory: "Because it is there."
What if a morning jog didn't involve training for a marathon or wearing short shorts? What if it meant creative individual expression through acrobatic moves like leaping from walls and over gaps doing ground rolls and precision jumping?
Imagine cross-country skiing for 5 kilometers, then -- with your heart pounding, your legs shaking and your fingers chilled to the bone -- shooting five targets at 50 meters with exactly five shots.
Luge is one of the most dangerous sports in the Olympic games and the athletes who race down the icy high-banked track at up to 90 mph (140 kph) are a special breed.
Bobsled drivers and crew plummet down a hill on a track or run that's full of twists and turns. A wrong move can cause a dramatic crash. Learn about the athletes that make up a bobsled team, bobsled runs and the physics behind bobsledding.
If you've ever ridden a snowmobile you know that it is a fun fast-paced way to sightsee and go places that cars can't take you. Learn how snowmobiles operate.
People everywhere are putting location-based technology to innovative use creating "experiences" in public settings that are part game, part performance art, and part sociology experiment. Find out about urban gaming.
Millions of people swim safely in public, but it's important to know that certain infectious diseases can occur while swimming in public pools, parks, lakes, water fountains and yes, even the ocean.
Personal watercraft such as jet skis are used by millions of Americans each year, but they weren't always that popular. Learn how personal watercraft came to be, how they work and the laws and environmental concerns that govern them.
From the frozen lakes and rivers of Canadian winters to nationally televised games played at high-tech arenas before 20,000 fans ... ice hockey has come a long way. Learn all about the game, the rules and the milestones of hockey.
Rock climbing is an exhilarating sport that involves strength, control and finesse. Find out what it takes to really get high on life.
Imagine falling out of a plane on purpose and heading toward the ground at 120 mph. Welcome to the world of skydiving! The U.S. Parachuting Association estimates that about 350,000 people complete more than 3 million jumps in a typical year.
If you've been on a biking trail in the last few years, you've probably seen all kinds of crazy-looking bikes. Mountain bikes just keep accumulating more gears. Today, some bikes have as many as 27 gear ratios. What do they all do?
Imagine soaring like a hawk thousands of feet above the ground. You search for updrafts of air to keep you aloft so that you can enjoy this feeling for hours. Although the air is somewhat chilly, the view is tremendous and the solitude is relaxing.
Think you need to depend on mother nature for snow? Think again. With cool temperatures and a good supply of water, snow makers can cover the ground in the fluffy white stuff in no time.
'The bends' is a dangerous condition based on water pressure. Find out how you can get -- and prevent -- the bends.
Lance Armstrong has won yet another Tour de France, breaking the cycling record for consecutive victories in that race. Bicycles are incredibly simple machines, and the "inner" workings are right out in the open for you to see. Find out how all those
Long before GPS satellites and other high-tech navigational aids, people used the Earth's natural magnetism to navigate the unknown. Learn how a compass works and how to create your own!