The pollution-control gadgets are full of precious metals like palladium, and prices are soaring as regulators try to tame emissions. Crooks with hacksaws have...
Science
New research confirms that emissions from China of CFC-11, a banned gas that harms Earth’s ozone layer, have fallen sharply, reversing a dangerous spike.
The device, a wearable night light that can minimize disturbances for sleeping patients, is the brainchild of a University of Pennsylvania senior and a...
Scientists are working on a shot that could protect against Covid-19, its variants, certain seasonal colds — and the next coronavirus pandemic.
Scientists are working on a shot that could protect against Covid-19, its variants, certain seasonal colds — and the next coronavirus pandemic.
The Tianwen-1 mission is the second of three new visitors to Mars this month.
Frustration and at times resentment among those struggling to get a shot, and tempered elation on the other side of the divide.
A link to the vaccines is not certain, and investigations are underway in some reported cases.
New research casts doubt on the idea that prior infections with garden-variety coronaviruses might shield some people, particularly children, amid the pandemic.
Experts with the global health agency endorsed critical parts of Beijing’s narrative, even some parts that independent scientists question.
