Plants are dependent on the sun. Sunlight does not only supply them with energy, but also controls their development steps. So-called photoreceptors activate the processes of germination, leaf development, bud formation, ...
Biotechnology
May 16, 2012
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Scientists at The Scripps Research Institute have found the first chemical compounds that act to block an enzyme that has been linked to inflammatory conditions such as asthma and arthritis, as well as some inflammation-promoted ...
Biochemistry
May 11, 2012
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Historically, fly and human Polycomb proteins were considered textbook exemplars of transcriptional repressors, or proteins that silence the process by which DNA gives rise to new proteins. Now, work by a team of researchers ...
Cell & Microbiology
Apr 30, 2012
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Developmental biologists at Tufts University have identified a "self-correcting" mechanism by which developing organisms recognize and repair head and facial abnormalities. This is the first time that such a mechanism has ...
Other
Apr 25, 2012
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Though cellphones are usually considered devices that connect people, they may make users less socially minded, finds a recent study from the University of Maryland's Robert H. Smith School of Business.
Social Sciences
Feb 14, 2012
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A critical step in advancing medical treatment is the development of novel drug delivery methods. While a simple tablet, taken by the patient with a sip of water, may be the easiest way to administer a drug, this may not ...
Polymers
Dec 23, 2011
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When sperm meets egg, the chemical instructions that tag sperm cells must be erased so that human life can start anew. One way these instructions are erased is through demethylation, the removal of specific chemical tags ...
Cell & Microbiology
Sep 22, 2011
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Researchers at Harvard Medical School have discovered that structural elements in the cell play a crucial role in organizing the motion of cell-surface receptors, proteins that enable cells to receive signals from other parts ...
Cell & Microbiology
Aug 18, 2011
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(AP) -- Hackers on Wednesday again targeted a California transit agency that came under fire last week for turning off cell phone service in its stations to thwart a potential protest.
Internet
Aug 17, 2011
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(AP) -- A growing number of critics are complaining that a San Francisco Bay area transit agency acted illegally when it cut off wireless service in an effort to stifle a protest.
Telecom
Aug 15, 2011
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