Introduction Ensuring free access to essential medicines is a cornerstone of universal health coverage, yet many countries ...

A pet cow named Veronika can scratch her own back with a broom — the first scientifically documented case of tool use in cows, researchers say. By Emily Anthes For a cow, Veronika has had what might ...

Since the fatal shooting of Renee Good in Minneapolis, administration officials have defended the use of deadly force, which agency guidelines say should be a last resort. By Hamed Aleaziz and ...

Objective To evaluate systematic reviews of randomised controlled trials (RCTs) on the effects of exercise on general cognition, memory and executive function across all populations and ages. Methods ...

You probably don't put much thought into brushing your teeth. If you use an electric toothbrush, you assume it's getting your teeth cleaner than a manual toothbrush. However, there are better ways to ...

Elizabeth is a contributor to CNET and the The Simple Dollar, where she reviews insurance providers and policies. She has more than three years of experience writing for top online insurance and ...

Renewable energy use in the U.S. has doubled in the past decade, with state-level contributions varying. Some states produce over half their electricity from renewables, targeting 100% clean energy ...