Your eyes are your windows on the world. Here’s how to stop them getting smudgy.
Articles on UV light
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After combing through museum collections, our team of researchers found a whopping 125 fluorescent mammal species – from polar bears and dolphins, to leopards, zebras and wombats.
Move over beach umbrellas, it’s the summer of the beach cabana. But these popular sun shelters may not protect you as much as you think.
Our ancient ancestors didn’t have clothes or houses – but that constant exposure to the sun helped their skin protect itself from the worst sun damage.
UV lights come in a variety of different wavelengths, but not all are equally effective at disinfection. Researchers tested a number of commercially available lights to find the best.
Museum lighting standards assume galleries are still using incandescent bulbs or fluorescent lights. But LEDs offer more for both audiences and conservation.
UV radiation can reflect off surfaces like sand or concrete, meaning shade doesn’t always prevent sunburn.
A light invisible to humans makes chemicals in our skin very excited. In fact, the chemicals become so excited they change shape and become vitamin D.
UVC radiation is effective for disinfecting objects and surfaces. It could help manage the coronavirus pandemic and fill gaps in PPE supplies.
Researchers have found a way to reduce light damage to artworks by up to 47% by optimising LEDs to prevent light from being absorbed by the artwork.
Why was one gene mutation that affects hair, teeth, sweat glands and breasts ubiquitous among ice age Arctic people? New research points to the advantage it provided for ancestors of Native Americans.
The internet conspiracists are half right: most lights we have inside do emit UV, but not enough to harm us.
Ultra-violet (UV) light can destroy a fungus that’s devastating the animals in North America.
If you want to live on Mars, you’re going to need to grow food. Seeds are naturally equipped to handle challenging Earth environments, but how well can they survive what they’ll encounter off-planet?
Energy from the sun’s rays can cause skin damage and cancers. Sunscreens can absorb or reflect the dangerous UV light. Here’s how it works.
Coating paper with an inexpensive thin film can allow users to print and erase a physical page as many as 80 times. That reduces both the cost and the environmental effects of paper use.
New research from the University of Geneva is helping us understand how plants protect themselves from the sun.
The risks of UV radiation exposure are well-known, but some scientists are exploring lesser-known benefits of UV light.
Alongside the day’s high and low, weather reports generally contain a UV alert for a particular time. But what does it actually mean – and what should you do about it?
Researchers have estimated that 8% of the five million cases of skin cancer diagnosed each year in the US can be attributed to indoor tanning.
Top contributors
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Professor of Chemistry, University of California, Riverside
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Professor of Astrophysics, The Open University
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Medical student, University of California, Davis
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Maître de conférences en pharmacie industrielle et cosmétologie, Université de Nantes, Auteurs historiques The Conversation France
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Adjunct Professor, School of Psychology, Curtin University and College of Health and Medicine, Australian National University
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Professor- Departments of Medical Microbiology & Immunology and Dermatology | Member- Foods For Health Institute | Member- Comprehensive Cancer Center | Director- Autoimmunity | Director- Immune Monitoring, University of California, Davis
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Assistant professor, University of Sydney
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Professor of Plant Science, Lancaster University
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Lecturer/Group Leader, Macquarie University
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Senior Principal Research Fellow (Honorary), James Cook University
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Professeur en galénique et cosmétologie, Université de Nantes, Auteurs historiques The Conversation France
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University of Arkansas
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Associate Professor of Health Management Policy, University of Michigan
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Paediatric Allergist and Gastroenterologist, Murdoch Children's Research Institute
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Teaching Fellow in Zoology and Ecology, University of Reading