Theodore Roosevelt's Elkhorn Ranch in North Dakota is often called the Walden Pond of the West. But Roosevelt's ranch is now feeling the pressure of an oil boom that is industrializing the local landscape. Critics say a proposed gravel pit and a bridge could destroy the very thing that made such a lasting impression on Roosevelt: the restorative power of wilderness.
President Bill Clinton famously loved doughnuts on the campaign trail, and we've told you about current GOP candidate Mitt Romney's affection for serving the press corps Jimmy John's subs. But what do our past presidents and the presidential wannabes' food choices say about them?
NASA Associate Administrator John Grunsfeld waits for landing inside the Spaceflight Operations Facility for NASA's Mars Science Laboratory Curiosity rover at Jet Propulsion Laboratory in Pasadena, Calif. on Sunday.
Originally published on Tue August 7, 2012 7:42 am
The newsroom at NASA's Jet Propulsion Laboratory is beginning to thin out as the Mars Science Laboratory transitions from an exciting news story, to a long duration — possibly very long duration — exploration of the geologic and environmental history of Mars.
For the reporters still in the newsroom, fatigue is beginning to set in. BBC science correspondent Jonathan Amos has been at it nonstop for 30 hours. I feel a bit guilty for stepping out and getting a few hours sleep.
This image taken by NASA's Curiosity shows what lies ahead for the rover — its main science target, Mount Sharp.
Credit NASA's Curiosity
Part of the rim of Gale Crater, which is a feature the size of Connecticut and Rhode Island combined, stretches from the top middle to the top right of the image. One of the rover's wheels can be seen at bottom right.
The last couple of years have certainly felt unusually hot in many parts of the U.S., but are they really all that unusual?
Many people wonder whether a warming climate is turning up the temperature or whether it's all just part of the normal variation in the weather. Among scientists, there's a growing view that these latest heat waves are indeed a result of climate change.