03/06/2011

Marlborough mound revealed to be 4,400 years old

An earthen mound, in Wiltshire, England, named the Marlborough mound and situated on the grounds of the Marlborough boarding school, has been found to date back 4,400 years, giving it a much longer history than most experts ...

Bacterial roundabouts determine cell shape

Almost all bacteria owe their structure to an outer cell wall that interacts closely with the supporting MreB protein inside the cell. As scientists at the Max Planck Institute for Biochemistry and at the French INRA now ...

Tsunami sensor detects mysterious background signal in Panama

An unusual signal detected by the seismic monitoring station at the Smithsonian Tropical Research Institute's research facility on Barro Colorado Island results from waves in Lake Gatun, the reservoir that forms the Panama ...

One tough microscope

When it comes to seeing how carbon dioxide behaves in a geologic storehouse, most instruments can't take the pressure. But, a new apparatus created by scientists at Pacific Northwest National Laboratory, Wright State University ...

Cloud composition cliffhanger at point reyes national seashore

Turns out, polluted air from San Francisco is not the culprit. It's a thermal trough pushing north from Arizona. In a surprise result, scientists found that this weather pattern significantly affects the chemistry of fog ...

New NASA salt mapper to spice up climate forecasts

Salt is essential to human life. Most people don't know, however, that salt -- in a form nearly the same as the simple table variety -- is just as essential to Earth's ocean, serving as a critical driver of key ocean processes. ...

Tiny particles, big impact

Atmospheric aerosols may be small, ranging in size from a few nanometers to a few microns, but they have a big impact on climate.  At the Pacific Northwest National Laboratory, capabilities developed through the Laboratory ...

Rising temperatures threaten a food crisis

A recent study reports that the geographical range of some agricultural crops -- such as corn and beans -- may be greatly reduced if temperatures continue to rise. While some farmers may be able to readjust what they grow, ...

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