People

Science at 15,000 feet

By Alexandra Witze

- More than 2 years ago

It’s only natural that for her Ph.D. research, Ulyana Horodyskyj found herself rappelling down a Himalayan cliff. After all, she got bitten by the mountaineering bug at age 6, when she witnessed her first avalanche in the Swiss Alps.

The Ngozumpa glacier in Nepal is covered in dirt and debris churned up as the glacier grinds down Himalayan peaks. U.