News
- Earth
The Long Burn: Warming drove recent upswing in wildfires
Major forest fires in the western United States have become more frequent and destructive over the past two decades, in step with rising average temperatures in the region.
- Archaeology
Shells may represent oldest known beads
Researchers have identified three perforated shells dating to around 100,000 years ago as beads, making these finds the oldest known examples of personal decoration.
- Earth
Underwater landslides tallied near Puerto Rico
An oceanographic survey off the northern coast of Puerto Rico has found remnants of many underwater landslides, a handful of which were large enough to have caused deadly tsunamis.
