Discover how ice cores from the Pamir Mountains could unlock secrets to protect the world's glaciers from climate change.

Dressed in an orange puffer jacket, Japanese scientist Yoshinori Iizuka stepped into a storage freezer to retrieve an ice core he hopes will help experts protect the world's disappearing glaciers. The fist-sized sample drilled from a mountaintop is part of an ambitious international effort to understand why glaciers in Tajikistan…