Research shows how salt in the environment can destroy ancient buildings and art.
Police in Ferguson have used an ancient tactic.
What happens when the last person to speak a language dies?
Comparing carbon atoms among mummies reveals vegetarian diets.
To learn about life as a Neanderthal look at children’s graves.
Comparing Native American and Siberian languages suggests a 10,000-year stopover.
Tree-ring data sheds light on climate change's historic and modern impact.
Metal in ancient shipwrecks has value for both historians and scientists.
Survey of Spanish city data reveals patterns of change.
Long ago, life was nasty, brutal and short -- and well organized.