Beth Geiger's Articles
- The 1934 drought, during a period in American history known as the Dust Bowl, was the worst in a millennium, a new study finds. While the drought had natural origins, human activities made it worse.
- Life exploded in diversity during the Cambrian Period. Experts are exploring what could account for this sudden change 540 million years ago.
- North America’s biggest earthquake struck 50 years ago. Here’s what science has learned about Earth since the 1964 Great Alaskan Earthquake.
- Clean drinking water could be only a tree branch away, a new study finds.
- Everything making up Earth and what’s now living upon it — from trees and people to our pets and their fleas — owes their origins to the elements forged by ancient stars.
- Scientists may have unearthed the source of Mima mounds, mysterious bumpy landscapes found on every continent except Antarctica.
- Australian researchers found leafy nano-evidence pointing to rich deposits of the precious metal deep below ground.