Ula Chrobak
Scientific American
Colorado, United States
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Past articles by Ula:
Skies Are Sucking More Water from the Land
Western states’ “atmospheric thirst” means more fires and strained water supplies → Read More
Redwoods Grow Weird Leaves to Suck Water from Air
Coastal California's redwood forests—with their lush ferns, towering trees and damp petrichor scent—might not seem to want for water, but they do face dry summers. To survive them, the trees, Sequoia sempervirens, grow specialized shoots with leaves that scrape moisture from the air. Many plants (including redwoods) are known to drink through their leaves, but “no one ever really figured out how… → Read More
Agriculture emits a ‘forgotten greenhouse gas.’ Scientists are looking for solutions in the soil
Agriculture researchers seek ways to reduce nitrous oxide’s impact on warming. → Read More
These Are Our Editors' Go-To Ski Lunches
A dietitian weighs in on Outside editors' favorite packable midday meals → Read More
Severe Wildfires Raise the Chance for Future Monstrous Blazes
The complete torching of trees allows dense, low vegetation to sprout, creating a new hotbed for more extreme fire → Read More
Why Experts Are Exploring Climbing as a Form of Therapy
Bouldering psychotherapy is gaining traction because the sport is unique in its easy access and ability to draw out emotions → Read More
Probiotics Might Not Do Much. Focus on Fiber Instead.
Grab another heap of broccoli—the microbes in your gut love veggies. → Read More
The Secret Lives of Totally Hammered Birds
Animals getting drunk might be a product of our evolution. → Read More
Healthy Recipes Designed for Runners
Long-distance running can be tough on the stomach. These foods can help. → Read More
What Happens to Your Body on a Long-Distance Swim
Ross Edgley is finding that a long-distance swim isn't just a feat of the muscles in the body. It's also a feat of the mind, heart, and…tongue? → Read More
This Prosthetics Research Could Be Game-Changing
Alena Grabowski's research could be game changing for adaptive athletes looking to compete in a wider playing field. → Read More
How climate change hits NW national parks extra hard
High-elevation national parks like Mount Rainier and Olympic are taking a beating from climate change. → Read More
What's Really in Your Gu?
There are a lot of obscure ingredients in Gu gels. Here's what they actually do for you. → Read More
7 Tools to Help You Sleep Better When Traveling
Five athletes share their favorite products to help catch some z's away from home → Read More
What We Know About Vitamin D and Performance
The benefits are still murky, but experts say there's no harm in adding more to your diet → Read More
Williamson Rock, SoCal's Premier Crag, Might Reopen
At the end of July, the Forest Service completed a long-awaited draft environmental impact statement, which proposes a compromise between climbers and conservationists, allowing access to most of the Williamson Rock's cliffs while keeping routes in or adjacent to frog habitat in Little Rock Creek closed. → Read More
Plane Crash Near Denali Killed Four—Fifth Presumed Dead
Denali National Park Service officials found four bodies at the site of a plane crash that occurred on August 4 near Thunder Mountain. The fifth passenger is presumed dead. → Read More
Watch Andrzej Bargiel Make the First Ski Descent of K2
On July 22, Andrzej Bargiel of Poland made the first full ski descent of K2, the second highest mountain in the world. His brother, Bartek, used a drone to film his descent. → Read More
Westerners (Blue or Red) Aren't Happy with Zinke
Republican or Democrat, the majority of westerners don't think Interior Secretary Ryan Zinke is doing a great job. They're especially unpleased by the downsizing of Bears Ears and Grand Staircase-Escalante national monuments, and they think preserving western land is a major priority. → Read More
Wildfires Are Destroying Our Air Pollution Gains
High pollution days in the Western U.S. are getting even worse, thanks to larger and more frequent wildfires. → Read More