Plastic clip bags are one of the practical everyday items for storing food. However, many people wonder whether it is safe to reuse plastic bags after using them once. With increasing environmental awareness, reusing items has become common practice.

As Nevada prepares for the next few years of its lithium boom, a new study is drawing attention to what's at stake: water. Lithium, used in electric vehicle batteries, is considered a critical mineral for the transition from fossil fuels to greener energy sources. Only one lithium mine is fully operational in the country, in the Silver Peak mountain range in Nevada’s Esmeralda County.

As Nevada gears up for the next few years of its lithium boom, a new study is calling attention to what’s most at stake — water. Lithium, used in electric vehicle batteries, is considered a critical mineral for the transition away from fossil fuels to more green sources of energy. Only one lithium mine is fully operational in the country, in the Silver Peak mountain range of Nevada’s Esmeralda County.

Frenchman Mountain isn’t the easiest hike in Las Vegas, but the sharp incline and oppressive heat don’t deter UNLV geologist Steve Rowland from revisiting the place he’s dedicated much of his career to studying.

Southwest Airlines is ending its unique open-seating policy after more than 50 years. The airline said its research found 80% of customers preferred assigned seating.

UNLV medicine professor Edwin Oh had a simple question for his young students. “Do you see green cells?” If they said yes — and, happily, they all did — that meant they had successfully transfused a special protein into a small dish of human kidney cells that allowed the cells to glow green when placed under a beam of blue light emitting from a high-powered fluorescent microscope.