13/09/2011

Salmonella uses similar mechanism to infect plants and humans

In recent years, it has become clear that food poisoning due to Salmonella typhimurium can be contracted not only by uncooked eggs and meat but also through eating contaminated raw vegetables and fruit. So far, it was unclear ...

Did intense magnetic fields form shortly after the Big Bang?

Intense magnetic fields were probably generated in the universe shortly after the Big Bang, according to an international team led by Christoph Federrath and Gilles Chabrier of the CRAL (Centre de Recherche Astrophysique ...

Dark clouds in space

(PhysOrg.com) -- Infrared dark clouds (IRDCs) are dark patches in the sky seen against the continuous, bright infrared background produced by our galaxy. IRDCs are rich in molecules and relatively dense, cool gas, and they ...

Methane debate splits Mars community

Observations over the last decade suggest that methane clouds form briefly over Mars during the summer months. The discovery has left many scientists scratching their heads, since it doesn't fit into models of the martian ...

Russia delays commercial space launches after crash

Russia will have to delay the upcoming launch of six US satellites and two commercial European craft due to last month's Soyuz carrier rocket mishap, Russian industry sources said Tuesday.

Nintendo seeks to rev up 3DS with holiday games

Nintendo is readying an array of video games for the holidays in an aggressive attempt at catch-up for lost time from the sales delay of the 3DS portable machine last year.

Study: Wisconsinites have mixed views on ethanol

A majority of Wisconsinites support the use of ethanol blends if it keeps dollars and jobs in the United States and reduces air pollution, according to a new study by University of Wisconsin-Madison researchers.

Optofluidics could improve energy applications

(PhysOrg.com) -- The ability to manipulate light and fluids on a single chip, broadly called "optofluidics," has led to such technologies as liquid-crystal displays and liquid-filled optical fibers for fast data transfer. ...

Study: Word sounds contain clues for language learners

(PhysOrg.com) -- Why do words sound the way they do? For over a century, it has been a central tenet of linguistic theory that there is a completely arbitrary relationship between how a word sounds and what it means.

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