A different picture of Stonehenge's past is emerging now that a detailed, three-dimensional map of the grounds under and around the landmark has revealed 17 ancient shrines. Researchers used a variety of tools and techniques to scan the site at different depths below the Earth's surface and discovered the previously hidden sites.
Researchers are using lidar technology to survey parts of the East Coast and measure the impact of Superstorm Sandy on the area. Eventually, the U.S. Geological Survey wants to survey the lower 48 states using lidar to produce much more accurate maps than are currently available. "Historically we've measured accuracy in meters," said USGS senior adviser Larry Sugarbaker. "With lidar, we measure accuracy in centimeters."
At a recent meeting of political scientists, those in attendance discussed the impact of legislation that has restricted the National Science Foundation's ability to fund their research. Many of those who came to the meeting of the American Political Science Association want the so-called Coburn amendment to be repealed, but Rep. Dan Lipinski, D-Ill., cautioned that it might be difficult to do that anytime soon. Still, the APSA is working to help its members lobby Congress about the issue.
As part of a series known as American Futures, journalist James Fallows is traveling to small towns across the country to explore interesting economic stories and other topics. Fallows began by visiting Holland, Mich., to investigate the manufacturing industry in the area. In this podcast, Fallows discusses the project and Jack Dangermond, president of Esri -- which is a partner on the project -- talks about the storytelling power of cartography.
A canyon nearly twice as long as the Grand Canyon has been found under the massive Greenland Ice Sheet. By studying data compiled over three decades, geographer Jonathan Bamber of the University of Bristol in the U.K. and his team discovered details about the canyon, which is about a half-mile deep and up to 466 miles long, and believe it is older than the ice sheet.