ScienceDaily: That’s why a collection of glaciers in the Southeast Himalayas stymies those who know what they did 9,000 years ago. While most other Central Asian glaciers retreated under hotter summer temperatures, this group of glaciers advanced from one to six kilometers. A new study by BYU geologist Summer Rupper pieces together the chain of events surrounding the unexpected glacial growth. "Stronger monsoons were thought to be responsible,’ said Rupper, who reports her findings in the …