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Science and Technology at nytimes.com

Wednesday, Mar 27

18

A.I. Leaders Press Advantage With Congress as China Tensions Rise

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Silicon Valley chiefs are swarming the Capitol to try to sway lawmakers on the dangers of falling behind in the artificial intelligence race.

08

How Elon Musk Became ‘Kind of Pro-China’

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Mr. Musk helped create China’s electric vehicle industry. But he is now facing challenges there as well as scrutiny in the West over his reliance on the country.

06

Tesla’s Pivot to China Saved Musk. It Also Binds Him to Beijing.

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Tesla and China built a symbiotic relationship, with credits, workers and parts that made Mr. Musk ultrarich. Now, his reliance on the country may give Beijing leverage.

02

‘Dune’-like Sandworm Existed Millions of Years Longer Than Thought

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Researchers examined fossils of the predatory worm and found a new species that persisted for 25 million years after it was believed to have become extinct.

Tuesday, Mar 26

12

The United States vs. the iPhone

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The lawsuit caps years of regulatory scrutiny of Apple’s wildly popular suite of devices and services, which have fueled its growth into a nearly $3 trillion public company.

Monday, Mar 25

Hunting the Northern Lights in Iceland

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The country markets itself as a destination to see the northern lights — especially this year, which is a peak time for solar activity. But they can be elusive, as one writer recently found.

11

As Stellar Observations Improve, Earth’s History and Future Get Fuzzier

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Astronomers have gotten better at tracking the motions of stars just beyond the solar system. But that’s made it harder to predict Earth’s future and reconstruct its past.

Sunday, Mar 24

Penumbral Lunar Eclipse: How and When to Watch

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The subtle event, known as a penumbral eclipse, can be observed by everyone on Earth’s nightside.

07

If Your Demographics Can Predict Your Politics, Are They Really Yours?

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Demography often determines what you believe.

Saturday, Mar 23

14

What Can You Do if Violence Breaks Out on Your Train or Bus?

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Public transportation is not necessarily more dangerous than other settings, but there are some ways that experts recommend to get out of a risky situation.

How the Apple and Microsoft Antitrust Cases Compare

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Prosecutors compare their new fight against Apple to the seminal case against Windows in the 1990s.

11

His Novel Sold a Million Copies. James McBride Isn’t Sure How He Feels About That.

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“The Heaven & Earth Grocery Store” has been a runaway critical and commercial success. When you’ve been David all your life, everything changes “when you become Goliath.”

Friday, Mar 22

00

NASA Is Recruiting a New Class of Astronauts

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Victor Glover, a nine-year veteran of the astronaut corps who will fly around the moon in 2025, said the search for excellence and diversity were not mutually exclusive.

22

A Total Solar Eclipse Is Coming April 8. Here’s What to Know.

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These are answers to common questions about the April 8 eclipse, and we’re offering you a place to pose more of them.

10

The A.I. Boom Makes Millions for an Unlikely Industry Player: Anguilla

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The small Caribbean territory brought in $32 million last year, more than 10 percent of its G.D.P., from companies registering web addresses that end in .ai.

01

Tennessee Makes A.I. an Outlaw to Protect Its Country Music and More

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Gov. Bill Lee on Thursday signed a first-in-the-nation bill to prevent the use of artificial intelligence to copy a performer’s “voice.”

Thursday, Mar 21

21

U.S. Justice Dept. Sues Apple, Claiming iPhone Monopoly in Antitrust Case

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The lawsuit caps years of regulatory scrutiny of Apple’s wildly popular suite of devices and services, which have fueled its growth into a nearly $3 trillion public company.

18

The Antitrust Lawsuit Against Apple Could Change Tech in a Big Way

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But should the government require iPhones to look like Androids?

Wednesday, Mar 20

23

Reddit Said to Price IPO at $34 a Share, in a Positive Sign for Tech

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The social media company raised $748 million in the offering. Its shares begin trading on the New York Stock Exchange on Thursday.

Tuesday, Mar 19

19

Apple and Google Are Discussing a Deal to Bring Generative A.I. to iPhones

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A partnership would extend the long relationship between the companies that has helped deliver everything from maps to search on Apple’s devices.

11

Email ‘Mistake’ on Inflation Data Prompts Questions on What Is Shared

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Traders are closely watching once-obscure economic data, prompting more scrutiny of how widely the government distributes the information.

Monday, Mar 18

21

Thomas Stafford, 93, Commander of First U.S.-Soviet Space Mission, Dies

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The Apollo-Soyuz mission, amid the Cold War, broke new ground in space cooperation when an American capsule docked with a Soviet craft 140 miles above the earth.

16

Tesla’s Troubles Raise Questions About Its Invincibility

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As the share price plunges, investors wonder whether the company, led by Elon Musk, can withstand intensifying competition.

Sunday, Mar 17

00

Elon Musk to Open Source Grok Chatbot in Latest AI War Escalation

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Mr. Musk’s move to open up the code behind Grok is the latest volley in a war to win the A.I. battle, after a suit against OpenAI on the same topic.

12

The Ambani Wedding Event Signifies the Rise of the Oligarch in Modi’s India

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What the lavish Ambani-Merchant wedding event reveals about India today.

Saturday, Mar 16

15

Dating Apps Like Hinge, Tinder and Bumble Are Getting Worse

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Hinge, Tinder, Bumble: They used to be free and maybe too good to be true. Now paid versions and fatigue are making dating apps worse — and expensive.

Thursday, Mar 14

20

Taiwan Is Building a Satellite Network Without Elon Musk

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The island democracy urgently needs an internet backup. Mr. Musk’s total control over his Starlink service, which dominates the market, left Taiwan wary.

18

SpaceX Successfully Launches Starship for a Third Time

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The third test flight of the most powerful rocket ever built achieved a series of milestones before the spacecraft was lost as it re-entered Earth’s atmosphere.

Wednesday, Mar 13

06

Space One Rocket Explodes Seconds After Launch in Japan

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The Japanese company hoped to become the country’s first private business to put a satellite into orbit. The failed launch was its inaugural flight.

Tuesday, Mar 12

18

Airbnb Bans All Indoor Security Cameras

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Widespread use of indoor security cameras has raised concerns about privacy in vacation rentals, hotels, public bathrooms, locker rooms and on cruise ships.