A new study examines the relationship between fine particulate matter (PM2.5) and dementia, finding that air pollution may be responsible for up to 2 million dementia cases each year.
Archaeological Geology
Posted inNews
Sooty Layers in Stalagmites Record Human Activity in Caves
Scientists analyzing cave formations in Turkey find layers of soot and charcoal in stalagmites, revealing that humans—and their fires—occupied caves thousands of years ago.
Posted inNews
Tree Rings Reveal How Ancient Forests Were Managed
By analyzing thousands of oak timbers dating from the 4th to 21st centuries, scientists have pinpointed the advent of a forest management practice.
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Eruption in El Salvador Was One of the Holocene’s Largest
Roughly 1,500 years ago, the Tierra Blanca Joven eruption blanketed Central America in ash and likely displaced Maya settlements, new research shows.
Posted inResearch Spotlights
More Evidence Humans Migrated to the Americas via Coastal Route
A new chronology shows that ice-free areas existed along the British Columbia coast earlier than previously thought.
Posted inNews
Neanderthals Likely Ate Rotten Meat
Neanderthals have long been painted as meat-eating machines. But could a new look at a dietary proxy and how it changes when meat rots uncover insights into what these extinct hominids really ate?