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.
By analyzing thousands of oak timbers dating from the 4th to 21st centuries, scientists have pinpointed the advent of a forest management practice.
A new chronology shows that ice-free areas existed along the British Columbia coast earlier than previously thought.
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?