Earth's protective ozone layer is beginning to recover, largely because of the phase-out since the 1980s of certain chemicals used in refrigerants and aerosol cans, a U.N. scientific panel reported Wednesday in a rare piece ...
Earth Sciences
Sep 10, 2014
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For detecting cancer, manual breast exams seem low-tech compared to other methods such as MRI. But scientists are now developing an "electronic skin" that "feels" and images small lumps that fingers can miss. Knowing the ...
Analytical Chemistry
Sep 10, 2014
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A new hand-held device that uses lasers and sound waves may change the way doctors treat and diagnose melanoma, according to a team of researchers from Washington University in St. Louis. The instrument, described in a paper ...
Optics & Photonics
Aug 6, 2014
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As thousands of vacationers hit the beach this summer, many of them will expose their unprotected bare limbs to direct UV sunlight, potentially putting them at risk of skin cancer later in life. To fight back, scientists ...
Analytical Chemistry
Aug 5, 2014
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Photodynamic therapy (PDT) is an effective treatment for easily accessible tumors such as oral and skin cancer.
Optics & Photonics
May 15, 2014
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Stem cells can turn into heart cells, skin cells can mutate to cancer cells; even cells of the same tissue type exhibit small heterogeneities. Scientists use single-cell analysis to investigate these heterogeneities. But ...
Cell & Microbiology
Jan 23, 2014
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Researchers at UCLA's Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research have discovered a mechanism by which certain adult stem cells suppress their ability to initiate skin cancer during their dormant ...
Cell & Microbiology
Dec 20, 2013
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Nitric oxide (NO) is one of the most important signaling molecules in living cells, carrying messages within the brain and coordinating immune system functions. In many cancerous cells, levels are perturbed, but very little ...
Bio & Medicine
Nov 3, 2013
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More than 200 mobile apps for diagnosing skin rashes and moles are now on the market, and US researchers Wednesday urged caution in relying on them over a doctor's advice.
Software
Sep 25, 2013
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The technology that peeks underneath clothing at airport security screening check points has great potential for looking underneath human skin to diagnose cancer at its earliest and most treatable stages, a scientist said ...
Analytical Chemistry
Sep 11, 2013
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