Tools

Mastodons (this one on display at the Natural History Museum of Los Angeles) are just a small part of the story of how humans first migrated to the Americas 15,000 years ago — or longer.

Retracing paths that people first traversed while migrating to the Americas

Books

When it comes to the first people arriving in the Americas during the Ice Age from Asia, Craig Childs says it is a “blank space” in the collective memory of most Americans. His newest book fills up that space with firsthand adventures and exploration.

Washington gears up for energy day

Environment
The World

How to land on your feet when you’re falling down the corporate ladder