Scott Rosenfield

Author's Bio

Scott Rosenfield (@ScottRosenfield) is a Level 2 USA Cycling Coach and Outside's Online Editor.

Grizzly Bear Charges Group in Yellowstone

Two people were injured Thursday when a grizzly bear charged a group of hikers in Yellowstone National Park. Four hikers had traveled a few miles down a trail when they spotted a young grizzly... Read More

James Bond Stuntman Dies in Wingsuit Accident

The British stuntman who performed at the opening ceremony of the London Olympics was killed in a wingsuit flying accident Thursday in the Swiss Alps. Mark Sutton crashed into a rocky ridge after... Read More

Giant Redwoods in Unprecedented Growth Spurt

The last of the giant, old-growth redwood trees along the California coast have experienced an unprecedented growth spurt in recent years, a study by the Redwoods and Climate Change Initiative... Read More

Avalanche Kills Two on Mont Blanc de Tacul

Two Italian mountain climbers were killed and another injured Tuesday by an avalanche in the French Alps. The accident occurred at 4 a.m. on Mont Blanc de Tacul, a 14,000-foot peak that is a... Read More

Sinkhole Destroys Florida Resort

Portions of a Florida resort were destroyed Sunday when a 60-foot-wide sinkhole formed below two buildings, collapsing one and sinking the other, CNN reports. All guests inside the... Read More

Mass Dolphin Die-Off on the East Coast

From Virginia to New York, dolphins are dying at seven times the normal rate, with at least 124 strandings reported since July, wildlife officials reported Thursday. In response to the die-off, the... Read More

Scientists Turn Coffee Into Alcohol

The age of alchemy is upon us. Scientists have figured out a way to turn used coffee grounds into drinkable alcohol. In the journal LWT - Food Science and Technology, the team of Spanish and... Read More

Newark Tops 'Least Friendly Cities' List

Beating out Islamabad, Pakistan, in a poll of 46,000 respondents, Newark, New Jersey, was rated as the most unfriendly city in the world. In a scathing review, Conde Nast Traveler reported that... Read More

STUDY: Walking to Work Will Save Your Life

Walking to work may be the next super-drug. Compared to people who drive to the office, walkers and cyclists have a 40 percent lower chance of developing diabetes, according to a study in the... Read More

Man to Swim from Canada to Detroit

A long-distance swimmer known as "The Shark," embarked on a 30-hour, 22-mile swim across Lake St. Clair Monday to raise money for Habitat for Humanity. Departing from the Michigan-Canada border,... Read More

Dick Pound Doesn't Trust Tour Riders

Dick Pound, the former head of the World Anti-Doping Agency and a senior member of the International Olympic Committee, pushed back against the effectiveness of anti-doping programs Sunday, telling... Read More

WATCH: Four Minutes to Explore the Globe

In 2012, Graham Hughes successfully became the first person to visit all United Nations member states without flying. On less than $100 a week, it took Hughes four years to complete his journey.... Read More

STUDY: The Camping Cure

Technology is interfering with your sleep cycle, and camping is the cure. A weeklong camping excursion can reset your biological clock, according to a study published this week in the journal... Read More

Organizers Break Away from USA Cycling

The U.S. Cup, which organizes many of the top domestic mountain bike events, has broken away from USA Cycling. The organization announced tuesday that it will no longer sanction events through USA... Read More

Heat Wave Batters China

The worst heat wave in 140 years is baking parts of China, leaving dozens dead and pushing the mercury above 104 degrees in at least 40 cities. Temperatures are so hot that people have been... Read More