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Amazon purchasing BuyVIP online sales club

Amazon announced on Thursday it is acquiring BuyVIP.com, a private online sales club with more than six million members in Austria, Germany, Italy, the Netherlands, Poland, Portugal and Spain.

Brown University chemists simplify biodiesel conversion

As the United States seeks to lessen its reliance on foreign oil, biodiesel is expected to play a role. According to the National Renewable Energy Laboratory, a branch of the Department of Energy, biodiesel "represents a significant energy resource and could someday supply 3 percent to 5 percent of the distillate fuel market."

MRI zooms in on microscopic flow (w/ Video)

(PhysOrg.com) -- MRI images of water flow through a constricted microfluidic channel with the XZ axis on the left and the YZ axis on the right. Note that fast moving components directly aligned with the constricted region emerge at the detector first, followed by components that are not aligned with the constriction.

NASA satellites see Otto become a tropical storm

NASA satellites have collected data as the Atlantic Ocean's Tropical Depression 17 has undergone two changes in less than 24 hours. Since Oct. 6, the depression has strengthened and has tropical storm-force winds and has morphed from a sub-tropical storm into a tropical storm.

Researchers target HIV-related brain difficulties

(PhysOrg.com) -- During the last two decades, scientists and doctors have developed a potent mix of medications that nearly stops HIV in its tracks for most patients. This combination antiretroviral therapy, or cART, can knock down levels of the virus in the body to a thousandth or less of what it would otherwise be. That means more years of a healthy life for many HIV patients.

Technique allows researchers to examine how materials bond at the atomic level

(PhysOrg.com) -- An approach pioneered by researchers at North Carolina State University gives scientists new insight into the way silicon bonds with other materials at the atomic level. This technique could lead to improved understanding of and control over bond formation at the atomic level, and opportunities for the creation of new devices and more efficient microchips.

The Year of the Solar System

Planetary exploration is shifting into high gear with an unprecedented tripling of flybys, orbital insertions and launches to destinations around the solar system. To commemorate the increase, NASA has declared the year ahead "The Year of the Solar System."