Sunlight provides the energy needed for photosynthesis and growth, but it also exposes plants to harmful ultraviolet-B (UV-B) ...

Extra sun protection is required when UV levels are very high (8-10) or extremely high (11+). Children are more sensitive to ...

Adhesive suppliers have begun introducing new versions of their products that do not contain TTrimethylbenzoyl ...

Coatings are everywhere. A thin protective layer, often barely visible. They keep out moisture, sunlight and rust, helping ...

Fire salamanders—one of Europe's most well-researched amphibians—are biofluorescent, which means they can absorb light from ...

Add Yahoo as a preferred source to see more of our stories on Google. WASHINGTON — President Trump’s mention Thursday of treating COVID-19 with ultraviolet light was part of a rambling digression that ...

Ultraviolet light has a long history as a disinfectant and the SARS-CoV-2 virus, which causes COVID-19, is readily rendered harmless by UV light. The question is how best to harness UV light to fight ...

Summer heat and humidity have settled into Missouri, and with these conditions, there are potential health risks to monitor.

An invisible band of radiation with wavelengths from 120 to 10 nm, ultraviolet (UV) light starts at the end of visible light and ends at the beginning of X-rays. The primary source of ultraviolet ...

The stealthy new coronavirus has turned face masks into ubiquitous accessories, and that means millions of Americans are looking for ways to keep them clean. Can ultraviolet light do the job? Ideally, ...

A detailed experiment explores whether different UV wavelengths can falsely trigger Geiger-Müller tubes and affect radiation ...