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News tagged with uvb

Physicists discover how the outer shell of a hornet can harvest solar power

As every middle-school child knows, in the process of photosynthesis, plants take the sun's energy and convert it to electrical energy. Now a Tel Aviv University team has demonstrated how a member of the animal ...

Physics / General Physics

created Jan 05, 2011 | popularity 4.8 / 5 (28) | comments 44 | with audio podcast

Children should wear sunglasses when outside

How important is it for my child to wear sunglasses?

Medicine & Health / Health

created Jun 03, 2009 | popularity 3.5 / 5 (6) | comments 10

A scientific 'go' for commercial production of vitamin-D enhanced mushrooms

A new commercial processing technology is suitable for boosting the vitamin D content of mushrooms and has no adverse effects on other nutrients in those tasty delicacies, the first study on the topic has concluded. The technology, ...

Chemistry / Other

created Sep 07, 2011 | popularity 5 / 5 (2) | comments 4

New clinical study probes how light fights psoriasis

Ultraviolet light is a proven treatment for psoriasis, one of humanity’s oldest known diseases. Sunshine can also beat back the chronic autoimmune disorder of the skin. But explaining light’s therapeutic effects ...

Medicine & Health / Diseases, Conditions, Syndromes

created Apr 29, 2009 | popularity 4.5 / 5 (2) | comments 3

New rules to cut confusion on sunscreen claims

(AP) -- Help is on the way to consumers confused by the jumble of sun protection numbers and other claims on sunscreens.

Medicine & Health / Cancer

created Jun 14, 2011 | popularity not rated yet | comments 0

Probing Question: What does the SPF rating of sunscreen mean?

"Tanned skin is damaged skin." That's the dire message from the Centers for Disease Control (CDC). We need a little sun exposure for vitamin D production, but too much sun increases the risk of skin cancer.

Medicine & Health / Health

created Jun 04, 2010 | popularity 5 / 5 (5) | comments 0

Hyperoxia may slow formation of wrinkles

It's no secret that UVB radiation from the sun causes wrinkles. However, a Japanese study published in the American Journal of Physiology -- Regulatory, Integrative and Comparative Physiology indicates that oxygen may he ...

Medicine & Health / Medical research

created Jun 29, 2010 | popularity not rated yet | comments 0

Lettuce gets a healthy suntan

Salad dressing aside, a pile of spinach has more nutritional value than a wedge of iceberg lettuce. That's because darker colors in leafy vegetables are often signs of antioxidants that are thought to have a variety of health ...

Biology / Other

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

Effectiveness of vitamin D, fish oil to be studied

Two dietary supplements -- vitamin D and fish oil -- will soon undergo a five-year test of their effectiveness in lowering the rates of several major diseases. Since nearly all African-Americans are deficient in vitamin D, ...

Medicine & Health / Health

created Jul 02, 2009 | popularity 2.7 / 5 (3) | comments 1

Does 'sun-protective' clothing work?

Dear EarthTalk: Is there really such a thing as "sun-protective clothing"? If so, does it mean I can dispense with oily sunscreens once and for all? (John Sugarman, San Diego, Calif.)

Medicine & Health / Other

created Apr 20, 2009 | popularity 5 / 5 (2) | comments 1