Archive: 02/23/2012

The many moods of Titan

(PhysOrg.com) -- A set of recent papers, many of which draw on data from NASA's Cassini spacecraft, reveal new details in the emerging picture of how Saturn's moon Titan shifts with the seasons and even throughout ...

Feb 23, 2012 4.4 / 5 (9) 6 | with audio podcast

For fish, fear smells like sugar

When one fish gets injured, the rest of the school takes off in fear, tipped off by a mysterious substance known as "Schreckstoff" (meaning "scary stuff" in German). Now, researchers reporting online on February 23 in the ...

Feb 23, 2012 4.8 / 5 (4) 0 | with audio podcast

Blue light culprit in red tide blooms

Each year, phytoplankton blooms known as "red tides" kill millions of fish and other marine organisms and blanket vast areas of coastal water around the world. Though the precise causes of red tides remain a mystery, a team ...

Feb 23, 2012 not rated yet 0

Molding the business end of neurotoxins

For snakes, spiders, and other venomous creatures, the "business end," or active part, of a toxin is the area on the surface of a protein that is most likely to undergo rapid evolution in response to environmental constraints, ...

Feb 23, 2012 not rated yet 0

Vaccines for HIV: A new design strategy

HIV has eluded vaccine-makers for thirty years, in part due to the virus' extreme ability to mutate. Physical scientists and clinical virologists from the Massachusetts Institute of Technology (MIT) and the Ragon Institute ...

Feb 23, 2012 5 / 5 (2) 0