23/09/2010

SAfrican students study math via cell phone

(AP) -- A South African think tank said Thursday they have lined up volunteers to tutor on a popular mobile phone platform after a nationwide teachers' strike left students unprepared for final exams.

Magnetic power offers energy-saving alternative

The Office of Naval Research has designed a system that controls electrical flow for lighting, a highly efficient platform that may spark a new era of power savings.

Twitter hack: Made in Japan?

(AP) -- This week's Twitter attack that caused a widespread headache for the micro-blogging service appears to have been triggered by a Japanese computer hacker who says he was only trying to help.

Divisive primaries help challengers and hurt incumbents

Divisive primaries may waste precious campaign resources and damage the primary winner's reputation and chances to win the general election, according to a study in the current American Politics Research (published by SAGE). ...

Why are there no hyenas in Europe?

A team from the National Museum of Natural Sciences (CSIC) has analysed the impact of climate change on spotted hyena survival in Europe over 10,000 years ago. These changes played an important role, but the scientists say ...

page 5 from 7