Whether you’re starting tomatoes early or shielding plants from unpredictable spring weather, the right greenhouse comes down ...

Most office and commercial window glass has better UVA protection than residential windows, allowing less than 25% of UVA transmission. These windows are usually double-glazed and tinted, with ...

Zac Harris/Unsplash When you're in a car, train or bus, do you choose a seat to avoid being in the sun or do you like the sunny side?Author Theresa ...

Another possible purpose: “It appears that opsins signal melanocytes to make more melanin in response to UV exposure,” saysDr. Shamban. As we learn more about how light, in all its wavelengths ...

Although this transparent crystal closely resembles ordinary window glass, it exhibits extraordinary ... and the ability to transmit ultraviolet light (a type of light that comes from the sun ...

Listen to more stories on the Noa app. God said, “Let there be light”—everyone knows that. But God did not specify what color light, and this would eventually prove problematic. In the age ...

Higher-energy photons in the ultraviolet (UV) range or beyond are required to interact with and excite electrons in these materials. Visible-light setups also struggle with spatial resolution ...

Researchers analyzed SDO footage of the coronal loops preceding 50 solar flares. This video shows the flickering in a loop from 2011 in four different wavelengths of ultraviolet. (Image credit ...

"Though the storm appears red to the human eye, in this ultraviolet image, it appears darker because high-altitude haze particles absorb light at these wavelengths," NASA wrote. "The reddish ...