17/12/2009

Microsoft, Google in battle to win over students

As they plunged into a project on ancient Egypt this fall, Jay Martino's Cupertino (Calif.) Middle School students probably didn't realize they were on the front lines of a high stakes battle between Google and Microsoft.

Study shows loss of 15-42 percent of mammals in North America

If the planet is headed for another mass extinction like the previous five, each of which wiped out more than 75 percent of all species on the planet, then North American mammals are one-fifth to one-half the way there, according ...

Facebook mines Census data to track its diversifying users

In its earliest days, Facebook was primarily a white and Asian phenomenon. No more. In the first-ever study of the race and ethnicity of its U.S. users, Facebook said Wednesday that blacks and Latinos have joined the social ...

Study on Great Lakes erosion dredges up controversy

The Great Lakes aren't as great as they once were. A U.S.-Canadian study released Tuesday reveals that unexpected erosion in the St. Clair River following a 1962 dredging project has permanently lowered Lakes Michigan and ...

China rapidly catching up in research impact

Data from a recent Thomson Reuters study show that Chinese research output has increased from just over 20,000 papers in 1998 to nearly 112,000 in 2008.

Supernova explosions stay in shape

At a very early age, children learn how to classify objects according to their shape. Now, new research suggests studying the shape of the aftermath of supernovas may allow astronomers to do the same.

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