Science

New Data Details the Risk of Sea-Level Rise for U.S. Coastal Cities

A new study of sea-level rise using detailed data on changes to land elevation found that current scientific models may not accurately capture vulnerabilities in 32 coastal cities in the United States. The analysis, published Wednesday in Nature, uses satellite imagery to detect sinking and rising land to help paint a more precise picture of […]

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Scientists Create Elephant Stem Cells in the Lab

When the biotechnology firm Colossal started in 2021, it set an eyebrow-raising goal: to genetically engineer elephants with hair and other traits found on extinct woolly mammoths. Three years later, mammoth-like creatures do not roam the tundra. But on Wednesday, researchers with the company reported a noteworthy advance: They created elephant stem cells that could

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S.E.C. to Approve New Climate Rules Far Weaker Than Originally Proposed

The Securities and Exchange Commission is expected on Wednesday to approve new rules detailing if and how public companies should disclose climate risks and how much greenhouse gas emissions they produce, but there are fewer demands on businesses than the original proposal made about two years ago. The rules represent a step toward requiring corporations

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Seeing Stars, Sperm and Millions of Spawn After a Valentine’s Day Rendezvous

On Valentine’s Day, Melissa Torres strung up red tinsel hearts around a shallow pool at her workplace, the Birch Aquarium at Scripps Institution of Oceanography in La Jolla, Calif. She and her colleagues were arranging a romantic encounter of sorts, and the stakes were high. The happy couple, a pair of sunflower sea stars, belonged

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Whale that vanished from Atlantic over 200 years ago spotted off Massachusetts: ‘Shouldn’t exist’

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It’s Been All Tumbleweeds, All the Time, in Utah and Beyond

On Saturday morning, residents of South Jordan, Utah, about 20 miles south of Salt Lake City, woke up to an astonishing sight. Thousands of tumbleweeds had blown into town and piled up against people’s homes overnight. Roads were blocked. Entire cars buried. In some cases, the tumbleweed jumbles reached the rooflines or upstairs balconies of

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