A novel technology that utilizes light of different wavelengths to control cellular functions by inducing reversible assembly and disassembly of molecules has been developed. This breakthrough could ...

Minimal sun protection required for normal activity. Wear sunglasses on bright days. If outside for more than one hour, cover up and use sunscreen. Reflection off snow can nearly double UV strength, ...

IOWA’s archery deer season is well underway. The bow season began Oct. 1 and runs through Dec. 5. Then archery season closes ...

The toxicity, ambient instability, ultraviolet (UV) light-induced degradation, and poor thermal stability of lead-based halide perovskites (LHPs) limit their technological applications. Double halide ...

Minimal sun protection required for normal activity. Wear sunglasses on bright days. If outside for more than one hour, cover up and use sunscreen. Reflection off snow can nearly double UV strength, ...

Figure 1. The color zoning of amethyst from Boudi often displays a characteristic hourglass shape. Photo by Abdelghani El Harfi and Salahaddine Mouaddib. For 25 years, the Moroccan locality of Boudi ...