Scientists discover cold-loving proteins called cryorhodopsins that could help control brain cells with light.

The UV Index isa measurement of the intensity of the sun and its radiation. Meteorologist Lauren Brand explains what it is and how to stay safe.

Going inside won’t necessarily protect you from the sun’s harmful rays. Here’s how to protect your skin whether you’re at home or on the go.

Radiation from nail dryers may damage DNA and cause cancer-causing mutations in human cells, a study has found — and that might have you wondering whether your regular gel mani-pedi is worth the ...

Science reveals the chemistry inside. UV-Vis spectroscopy measures the absorption of light to quickly reveal properties of liquids. Typically, a spectrophotometer has a light source directing light ...

June 23, 2025 – Sheltering indoors helps beat the heat, but are UV rays still sneaking through those windows? Probably. Up to 74% of UVA light can penetrate standard glass.

According to the FDA, these UV-C light sanitizers could eliminate germs on phones, furniture, toys and more high-touch objects and surfaces.

UV sanitizing wands are a popular item on the internet in the time of COVID-19. We talked to an expert to find out if they are really effective or even safe.

Without UV light, they appear as clear, letting through most visible light. When UV light hits these substances, however, a chemical bond inside of them breaks, and the new molecules absorb more light ...

Let some sunlight into your home, office or car. Klaus Vedfelt/Getty Images. Whether or not your windows block UV depends on what kind of windows you have.Standard windows, according to the ...