How the Black Plague Left Traces in Arctic Ice
Charlemagne’s iconic silver currency increased industrial lead pollution, while the Black Death caused it to plummet.
Climate Change Is Revealing Arctic Landscapes Not Seen For 40,000 Years
A new study of Baffin Island's glaciers suggests that modern temperatures represent the warmest century in 115,000 years.
A 22,000-Year-Old Ice Core Melted Because of a Broken Freezer