Apparently Healthy, but Diagnosed With Alzheimer’s?

Determining whether someone has Alzheimer’s disease usually requires an extended diagnostic process. A doctor takes a patient’s medical history, discusses symptoms, administers verbal and visual cognitive tests. The patient may undergo a PET scan, an M.R.I. or a spinal tap — tests that detect the presence of two proteins in the brain, amyloid plaques and…

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More Screen Time Means Less Parent-Child Talk, Study Finds

According to new research, “technoference” is real. Toddlers who are exposed to more screen time have fewer conversations with their parents or caregivers by an array of measures. They say less, hear less and have fewer back-and-forth exchanges with adults compared with children who spend less time in front of screens. Those findings, published on…

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Anthropic Challenges OpenAI and Google With New Chatbot

The high-profile A.I. start-up Anthropic released a new version of its Claude chatbot on Monday, saying it outperforms other leading chatbots on a range of standard benchmark tests, including systems from Google and OpenAI. Dario Amodei, Anthropic’s chief executive and co-founder, said the new technology, called Claude 3 Opus, was particularly useful when analyzing scientific…

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It’s make or break for the Los Angeles Clippers

Curses run deep. They fester in bloodlines, foundations and scorched Earth and are lamented in prose, lyric and declaration. From Shakespeare to Dostoevsky, curses are a part of the canon of human creativity. After the Boston Red Sox broke theirs in 2004 and LeBron James brought a championship to Cleveland in 2016, there remains just…

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Love Is Blind, Season Six: Viewers Get an Answer

In the sixth season of the Netflix series “Love Is Blind,” one contestant, Chelsea, implied — through the walls of a self-contained dating pod — that she had a celebrity look-alike. “I get one person, and it’s just because I have dark hair and blue eyes,” she coyly teased another contestant, Jimmy, before revealing her…

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JetBlue and Spirit Call Off Their Merger

JetBlue Airways and Spirit Airlines announced on Monday that they would walk away from their planned $3.8 billion merger after federal antitrust regulators successfully challenged the deal in court. JetBlue said it would pay Spirit $69 million to exit the deal. A federal judge in Boston blocked the proposed merger on Jan. 16, siding with…

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