Fifty years after the Cuyahoga conflagration

On June 22, 1969, the Cuyahoga River, which flows through Cleveland, Ohio, caught fire. Although firefighters extinguished the blaze within 30 minutes, the shocking event helped galvanize the U.S. environmental movement. ...

Tracking down one of the most elusive species on the planet

Picture the scene: you're trekking through one of the remotest regions in steepest, starkest Kyrgyzstan, on the trail of a species so elusive that it might just as well be the stuff of legend. At the risk of stating the obvious, ...

China AIDS group 'really regrets' role in gene-editing

The head of a Chinese AIDS support group expressed deep regret Friday for helping a scientist recruit participants for a controversial experiment claiming to have created the world's first genetically-edited babies.