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Form of Mercury in Older Dental Fillings Unlikely to be Toxic: Study

Chemistry / Analytical Chemistry

created Nov 11, 2009 | popularity 4 / 5 (3) | comments 0

(PhysOrg.com) -- Amid the on-going controversy over the safety of mercury-containing dental fillings, a University of Saskatchewan research team has shed new light on how the chemical forms of mercury at the surface of fillings ...


US online ad revenue down 5.4 pct in third quarter

Technology / Internet

created Nov 25, 2009 | popularity not rated yet | comments 0

(AP) -- Online advertising revenue in the U.S. fell 5.4 percent in the third quarter from a year ago, as the sputtering economy kept its tight grip on even the fastest growing segment of industry, according to a report released ...


Oil from biotech soybeans increases key omega-3 fatty acid in humans

Medicine & Health / Health

created Nov 16, 2009 | popularity 5 / 5 (1) | comments 0

Oil from soybeans modified through biotechnology increased levels of omega-3 eicosapentaenoic acid (EPA) in red blood cells according to research presented at the American Heart Association's Scientific Sessions 2009.


All decked out: Networks of chitin filaments are integral components of diatom silica shells

Chemistry / Biochemistry

created Dec 01, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- A whole microcosm of various bizarrely shaped life forms opens up when you look at diatoms, the primary component of ocean plankton, under a microscope. The regularly structured silica shells of these tiny ...


Toward explaining why hepatitis B hits men harder than women

Toward explaining why hepatitis B hits men harder than women

Chemistry / Biochemistry

created Nov 18, 2009 | popularity 5 / 5 (1) | comments 0

Scientists in China are reporting discovery of unusual liver proteins, found only in males, that may help explain the long-standing mystery of why the hepatitis B virus (HBV) sexually discriminates -- hitting ...


New findings suggest strategy to help generate HIV-neutralizing antibodies

Medicine & Health / HIV & AIDS

created Nov 19, 2009 | popularity not rated yet | comments 0

New discoveries about anti-HIV antibodies may bring researchers a step closer to creating an effective HIV vaccine, according to a new paper co-authored by scientists at the Vaccine Research Center of the National Institute ...


Electronic Arts acquires Playfish for $275 million

Technology / Business

created Nov 09, 2009 | popularity not rated yet | comments 0

(AP) -- As its packaged video games business lags, Electronic Arts Inc. has snapped up Playfish Inc., the creator of popular social networking games such as "Who Has the Biggest Brain" and "Pet Society," for $275 million ...


Bigger not necessarily better, when it comes to brains

Bigger not necessarily better, when it comes to brains

Biology / Plants & Animals

created Nov 17, 2009 | popularity 4.5 / 5 (19) | comments 12

(PhysOrg.com) -- Tiny insects could be as intelligent as much bigger animals, despite only having a brain the size of a pinhead, say scientists at Queen Mary, University of London.


Measured -- The time it takes us to find the words we need

Medicine & Health / Psychology & Psychiatry

created Nov 23, 2009 | popularity 4.3 / 5 (8) | comments 1

(PhysOrg.com) -- The time it takes for our brains to search for and retrieve the word we want to say has been measured for the first time. The discovery is reported in a paper published in the Proceedings of the National Ac ...


Like humans, ants use bacteria to make their gardens grow

Like humans, ants use bacteria to make their gardens grow

Biology / Plants & Animals

created Nov 19, 2009 | popularity 4.7 / 5 (3) | comments 2

(PhysOrg.com) -- Leaf-cutter ants, which cultivate fungus for food, have many remarkable qualities.



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