I experienced an interesting phenomenon this archery season. I was hunting from a treestand at a new site for the first time. A buck approached on a scent trail I put out and suddenly stopped, looked ...

Comparing our vision with that of birds, well, at least we can claim opposable thumbs. Birds see a vastly different world than we do. They see more detail. They see more colors, by a factor of 10.

Weather forecasts usually include a UV index, a measure of the intensity of ultraviolet radiation from the sun. The higher the number, the greater the risk to people. Most of the radiation that ...

We all know to apply sun cream when we're out in the sun, but harmful UV rays are all around and can still reflect off surfaces even when the sun isn't shining. Both direct and indirect UV rays have ...

When you need protection from the sun, “seek out umbrellas that have a UPF rating, which refers to the Ultraviolet Protection Factor,” recommends Marisa Garshick, M.D., a dermatologist with MDCS ...

Video: The ability of great tit mums to detect ultraviolet light reflecting off the feathers of their young means they can favour the strongest chicks in times of environmental hardship They are not ...

SHENZHEN, China, July 08, 2025 (GLOBE NEWSWIRE) -- While blocking ultraviolet light is no longer the primary function of UV filters-thanks to advances in modern sensors and lens coatings-their role ...