Latest Paul Bierman Stories
Glaciers are commonly thought to work like a belt sander. As they move over the land they scrape off everything—vegetation, soil, and even the top layer of bedrock. So scientists were greatly surprised to discover an ancient tundra landscape preserved under the Greenland Ice Sheet, below two miles of ice.
Something's up with the weather in Namibia, say geoscientists.
For more than a century, scientists have looked for ways to measure and compare erosion rates across differing landscapes around the globeâ€”but with limited success.
- To swell, as grain or wood with water.