News tagged with michael griffin


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Search results for michael griffin


Investigating muscle repair, scientists follow their noses

Investigating muscle repair, scientists follow their noses

Biology / Cell & Microbiology

created Nov 16, 2009 | popularity 4 / 5 (4) | comments 0

When muscle cells need repair, they use odor-detecting tools found in the nose to start the process, researchers have discovered.


New Switchgrass Germplasm Collected in Florida

New Switchgrass Germplasm Collected in Florida

Biology / Ecology

created Nov 26, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Agricultural Research Service (ARS) scientists and cooperators have collected 46 new populations of switchgrass in Florida, adding valuable new accessions to the germplasm collection of this ...


Braking news: Particles from car brakes harm lung cells

Medicine & Health / Research

created Nov 20, 2009 | popularity 5 / 5 (2) | comments 0

Real-life particles released by car brake pads can harm lung cells in vitro. Researchers writing in BioMed Central's open access journal Particle and Fibre Toxicology found that heavy braking, as in an emergency stop, caused ...


Arsenic biomethylation required for oxidative DNA damage

Medicine & Health / Cancer

created Nov 23, 2009 | popularity not rated yet | comments 0

Biomethylation of arsenic compounds appears to cause oxidative DNA damage and to increase their carcinogenicity, according to a new study published online November 23 in the Journal of the National Cancer Institute.


A mechanical model of vocalization

Physics / General Physics

created Nov 23, 2009 | popularity not rated yet | comments 1

When people speak, sing, or shout, they produce sound by pushing air over their vocal folds -- bits of muscle and tissue that manipulate the air flow and vibrate within it. When someone has polyps or some other problem with ...


Testosterone does not induce aggression

Medicine & Health / Neuroscience

created Dec 08, 2009 | popularity 4.7 / 5 (7) | comments 8

New scientific evidence refutes the preconception that testosterone causes aggressive, egocentric, and risky behavior. A study at the Universities of Zurich and Royal Holloway London with more than 120 experimental subjects ...


Jackson film not part of Sony's new 3-D vision (AP)

Jackson film not part of Sony's new 3-D vision

Technology / Business

created Dec 03, 2009 | popularity not rated yet | comments 0

(AP) -- Michael Jackson videos or the next Spider-Man movie won't be among the titles that Sony Corp. releases in 3-D as it gears up to boost TV sales with that technology, Chief Executive Howard Stringer ...


DirecTV to appoint PepsiCo executive as CEO (AP)

DirecTV to appoint PepsiCo executive as CEO

Technology / Business

created Nov 18, 2009 | popularity not rated yet | comments 0

(AP) -- DirecTV Group Inc. is naming the vice chairman of PepsiCo Inc. as its chief executive.


Researchers discover biological basis of 'bacterial immune system'

Biology / Cell & Microbiology

created Nov 25, 2009 | popularity 4.8 / 5 (4) | comments 0

Bacteria don't have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.


Researchers discover biological basis of 'bacterial immune system'

Chemistry / Biochemistry

created Nov 30, 2009 | popularity 4.8 / 5 (4) | comments 1

(PhysOrg.com) -- Bacteria don’t have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.



List of search results for michael griffin