Tucson’s skies are slightly darker thanks to the completed streetlight conversion project, according to a study by the Tucson-based International Dark-Sky Association. The study, however, was limited ...

A biodegradable nanocellulose and carbon aerogel uses sunlight to purify seawater efficiently, achieving high evaporation ...

Before a spectrometer can do any useful work, it needs to be calibrated to identify wavelengths correctly. This is usually done by detecting several characteristic peaks or dips in a well-known ...

Light therapy lamps, also known as sunset projection lamps or sun lamps, are light boxes that mimic natural sunlight. When they feature the correct lux, a unit measuring the amount of light produced, ...

High blood pressure, which is also called hypertension, increases your risk of developing many serious health problems. According to the American Heart Association (AHA), high blood pressure can lead ...

When it comes to your body’s response to exercise, there are some physical symptoms you should never ignore. If you’re dealing with blurry vision during or after exercise, your first step is to speak ...