Close up of a woman's face on the beach

Human Elements

The world of science is full of facts and figures, but behind the study are the people. In the end, it becomes a question not of how they do science — but why.

How one scientist tracks giant, invisible cats

What's it like to study an animal that is almost impossible to see? Wildlife biologist Lauren Satterfield leads us on an epic adventure by car, snowmobile and on foot through deep snow to track elusive mountain lions in the wilderness. As human development expands into their territory, her work might help us learn how these big cats and humans can coexist without conflict.