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Trump Picks Stanford Physician Dr. Jay Bhattacharya to Head N.I.H.

As the director of the National Institutes of Health, Dr. Jay Bhattacharya would oversee the world’s premier medical research agency, with a $48 billion budget and 27 separate institutes and centers.

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Book Review: ‘The Miraculous From the Material,’ by Alan Lightman

In “The Miraculous From the Material,” the best-selling author Alan Lightman examines the science behind the wonder.

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A Stray Dog Climbed an Egyptian Pyramid. Along Came a Paraglider.

A video of a dog on a pyramid took off on social media — but only after it was appropriated and doctored.

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The New ChatGPT Offers a Lesson in AI Hype

OpenAI released GPT-4o, its latest chatbot technology, in a partly finished state. It has much to prove.

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How to Trace Your Ancestry Using Your Phone’s Free Tools

Everyday tools and free apps on your mobile device can help you collect, translate and digitize new material for your family-tree files.

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How Apple and Google Are Overhauling Our Phones With AI

Apple and Google are getting up close and personal with user data to craft memos, summarize documents and generate images.

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What the Arrival of A.I. Phones and Computers Means for Our Data

Apple, Microsoft and Google need more access to our data as they promote new phones and personal computers that are powered by artificial intelligence. Should we trust them?

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How to Clean Up Your Phone’s Photo Library to Free Up Space

Deleting duplicates, bad shots and other unwanted files makes it easier to find the good pictures — and gives you room to take more.

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How to Use Your Smartphone to Help You Sleep

These features to let you wind down for bed, mute notifications and stay on a regular sleep schedule may help you get more rest.

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