Deeper understanding of the icy depths

Scientists have uncovered new details of how ice forming below the ocean surface in Antarctica provides cold dense water that sinks to the seabed in an important aspect of global water circulation. The results, published…

Lightning strikes shape tropical forests

By Elise Mahon MADISON — It’s easy to see how droughts, fires, and other features of the environment alter and determine the shape of a forest, from the trees that compose it, to where and…