As Earth warms, human history is melting away

For the past few centuries, the Yup’ik peoples of Alaska have told gruesome tales of a massacre that occurred during the Bow and Arrow War Days, a series of long and often brutal battles across the Bering Sea coast and the Yukon. A mask belonging to the Yup'ik people of Alaska emerging from the permafrost [Credit: Rick Knecht/University of Aberdeen] According to one account, the carnage started when one village sent a war party to raid another. But the residents had been tipped...