The record-setting discovery of 68 projectiles from the Neolithic to the Viking Era also upends ideas on how ice both preserves and destroys archaeological finds.
1,000-year-old horseshoes, sleds, and tools are emerging from a shrinking ice patch in Norway, telling the story of the rise and fall of a mountain pass and the people who traveled along it.
A new article shows how a medieval tale about a Viking swimming with a sheep led to a misunderstanding about the "medieval warm period" and spawned a misguided strain of climate change denial that continues to this day.