Brain cells (magenta) in the reward center of a rat’s brain release dopamine in response to opioids. According to a new study by WashU Medicine researchers, male and female rats with a chronic pain ...

New York Times photographers covered Covid-19 throughout the world. These pictures, and the moments behind them, stayed with ...

For the first time, scientists have photographed a rare plasma instability, capturing high-energy electron beams forming into ...

Don’t heckle the disabled – that’s a hate crime.” What an opener for his latest touring show, The End of an Era, which I saw ...