Month: March 2022

Click:a货包包 Vera Rubin didn’t “discover” dark matter, but she put it on the map. Dark matter is a wild concept. It’s the idea that some mind-boggling percentage of all the matter in the universe may be invisible, and wholly unlike the matter that makes up Earth. Rubin is celebrated because she forced much of the […]

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On Monday, the United Nations announced an environmental and public health milestone: the end of the use of leaded gasoline in automobiles and road vehicles worldwide. The last holdout was Algeria, which had large stockpiles of leaded gasoline; in July, those stockpiles ran out, and Algeria has now made the transition to unleaded gasoline. Lead […]

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During the pandemic, I’ve spent a lot of time alone. I live by myself. I work from home. At times, I experienced fits of fidgetiness and restlessness, contributing to feelings of burnout. Here’s what helped: reappraising the situation. What I was feeling was isolation, and the loneliness that comes with it. Instead of letting it […]

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The Covid-19 pandemic upended daily life so drastically that there was a moment when it seemed to be making a dent in the climate crisis. Rush-hour traffic disappeared, global travel slowed to a crawl, and the resulting economic tailspin sent energy-related pollution plummeting almost 6 percent globally. This kind of decline in pollution is unprecedented […]

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Medicare, the federal health insurance program that covers Americans over 65, is facing an impossible dilemma: Should it cover a new and expensive medication for Alzheimer’s disease, which afflicts 6 million Americans and for which there is no existing treatment, even though the drug might not actually work? It is an enormous question. Alzheimer’s patients […]

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