Conservation and restoration

In June and July 2021, an extreme heat wave swept across the historically temperate Pacific Northwest, killing hundreds of people and cooking over a billion sea creatures. Now, scientists have used information etched into tree rings to demonstrate that, yes, the heat wave was unlike anything the region had seen in a millennium.Could NASA's Electric Airplane Make Aviation More Sustainable?A study published in the journal Climate and Atmospheric Science looked at tree rings in the Pacific Northwest going back over 1,000…

The remains of the ship thought to be the Dolphin, on a beach near Puerto Madryn, Argentina.Tree ring data taken from the timbers of a 19th century vessel found in Argentina indicate the ship was a whaler out of Rhode Island, last seen afloat over 150 years ago. The remains—exposed at low tide on a beach near Puerto Madryn, a city about 700 miles south of Buenos Aires—appear to be that of the Dolphin, according to research newly published in Dendrochronologia.“I cannot say with a hundred percent certainty, but analysis of…