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Excessive artificial light at night (ALAN) doesn’t just pollute the sky. It may also pollute the brain. That’s according to a surprising new study focused on light pollution and Alzheimer’s disease ...

Excessive artificial light at night (ALAN) harms ecosystems and human health. LED lights, while energy-efficient, often produce excessive blue light, worsening ALAN. Properly designed outdoor lighting ...

A new study found a link between outdoor light pollution and the prevalence of Alzheimer’s disease. For adults younger than 65, excessive light pollution increased the risk of Alzheimer’s more ...

You may have seen reports late last month about a new study showing how too much light at night is affecting birds — the latest sign of a problem that has implications for us, too. The study’s ...

Light pollution is more serious than expected: Moths not only lose their orientation directly under street lamps. Their flight behaviour is also disturbed outside the cone of light. The increasing use ...

Scientists are tapping into photographs taken by astronauts aboard the International Space Station (ISS) to reliably measure the amount of light pollution worldwide. This study not only includes the ...

Bart Doudna of Cedar Rapids holds up his sons Cameron Doudna, 5, and Quinn Doudna, 2, while posing for a portrait with a large lighted diamond ring during the Five Seasons Lights at McGrath ...