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'Safety valve' protects photosynthesis from too much light

Biology / Cell & Microbiology

created Nov 25, 2009 | popularity 4.7 / 5 (3) | comments 0

Photosynthetic organisms need to cope with a wide range of light intensities, which can change over timescales of seconds to minutes. Too much light can damage the photosynthetic machinery and cause cell death. Scientists ...


Knockouts in human cells point to pathogenic targets

Knockouts in human cells point to pathogenic targets

Biology / Cell & Microbiology

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

(PhysOrg.com) -- Whitehead researchers have developed a new approach for genetics in human cells and used this technique to identify specific genes and proteins required for pathogens.


Hajj devil stoning ritual biggest swine flu risk (AP)

Hajj devil stoning ritual biggest swine flu risk

Medicine & Health / Diseases

created 3 hours ago | popularity not rated yet | comments 0

(AP) -- Millions of Muslim pilgrims, many wearing surgical masks, jostled together shoulder-to-shoulder furiously casting pebbles at stone walls representing the devil Saturday - the hajj ritual of highest ...


Overeating can set stage for obesity, researchers say

Medicine & Health / Health

created Nov 27, 2009 | popularity 5 / 5 (1) | comments 2

It doesn't seem like a fair fight. In one corner loomed the Thanksgiving table, groaning with poultry, pie and mashed potatoes.



List of search results for strains