Newsletterpixabay.com Climate change is messing with bears’ hibernation schedules Bears will have to rethink their concept of hibernation as the climate warms and winters grow shorter. How they respond will say much about their commitment to winter naps, and about the deep interconnections between climate and animal behavior.
Politics What very muscular horses teach us about climate change You can’t understand the history of American energy use without them. A new visual history puts them in context.