Enrique Torchia, University of Colorado Anschutz Medical Campus; Neil Box, University of Colorado Anschutz Medical Campus e Tamara Terzian, University of Colorado Anschutz Medical Campus
Widespread screening for skin cancer may not be necessary, but it is important to understand the risks behind UV overexposure and to get checked early if you have concerns.
Modern air conditioners contain hydrofluorocarbons (HFCs), which emit ozone-depleting chemicals during production.
Ken Welsh/Alamy Stock Photo
Rising concern about possible environmental damage from the active ingredients in sunscreens could have ripple effects on public health if it causes people to use less of them.
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.
Astronomers just measured the largest flare ever from Proxima Centauri, humanity’s closest neighboring star. These flares could be bad news for life trying to develop on a planet orbiting the star.
Researchers are developing tattoo inks that do more than make pretty colors. Some can sense chemicals, temperature and UV radiation, setting the stage for tattoos that diagnose health problems.
A couple taking in the view from Table Mountain, Cape Town.
Getty Images
Too much ultraviolet radiation is dangerous for human health. Excessive exposure can cause skin ageing and sunburn and can induce melanoma, cataracts, ocular melanoma, and immunodeficiency.
Climate change and especially variations in the ozone layer have increased the danger from the sun’s harmful rays during the last 25 years. Children are particularly at risk.
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The sun emits harmful rays 365 days a year, even when cloudy or rainy. Children must be protected or they may develop cataracts at an earlier age and run the risk of skin cancer of the eyelids.
Spend many months attached to the ISS and see how well you grow.
NASA
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?
Nearly 40,000 cancers diagnosed in Australia can be prevented if people avoid known risk factors for the disease, according to research published today.
Intensive sun exposure for marathon runners in the middle of the day could lead to sunburn, skin cancer and cataracts.
Rogan Ward/Reuters