Science and Technology

Last year, Mark Zuckerberg declared 2023 to be a “year of efficiency.” His company, Meta, soon laid off a third of its employees. Amazon, Google and Microsoft also cut tens of thousands of workers.Their worlds did not stop. Not only that, the companies were rewarded. Their stock prices soared. Some divisions were more productive. And the companies — including X, formerly known as Twitter, which has chopped nearly 80 percent of its staff since late 2022 — continued operating.Other chief executives took notice. And a month into 2024, tech companies have entered a new phase of cost cutting.After last year’s…

David L. Mills, an internet pioneer who developed and, for decades, implemented the timekeeping protocol used by financial markets, power grids, satellites and billions of computers to make sure they run simultaneously, earning him a reputation as the internet’s “Father Time,” died on Jan. 17 at his home in Newark, Del. He was 85.His daughter, Leigh Schnitzler, confirmed the death.Dr. Mills was among the inner circle of computer scientists who from the 1960s through the ’90s developed Arpanet, a relatively small network of linked computers located at academic and research institutions, and then its globe-spanning successor, the internet.It was challenging…

The genetic testing company 23andMe is being accused in a class-action lawsuit of failing to protect the privacy of customers whose personal information was exposed last year in a data breach that affected nearly seven million profiles.The lawsuit, which was filed on Friday in federal court in San Francisco, also accused the company of failing to notify customers with Chinese and Ashkenazi Jewish heritage that they appeared to have been specifically targeted, or that their personal genetic information had been compiled into “specially curated lists” that were shared and sold on the dark web.The suit was filed after 23andMe submitted…

Tesla’s profit from sales of electric cars slumped in the last three months of last year because of price cuts intended to thwart increasingly intense competition, the company said on Wednesday as it warned of a tough year ahead.Profit in the fourth quarter nearly doubled to $7.9 billion, up from $3.7 billion a year earlier. But $5.9 billion of that profit came from a tax benefit. Without that one-time accounting effect, profit would have fallen.Tesla has slashed prices for the two cars that make up the bulk of its sales — the Model 3 sedan and the Model Y sport…

When Augustin Lignier, a professional photographer in Paris, was in graduate school, he began to ponder the point of picture-taking in the modern world: Why did so many of us feel compelled to photograph our lives and share those images online?It was not a novel question, but it led Mr. Lignier to a surprising place, and before long he found himself building what was, in essence, a photo booth for rats.He took inspiration from B.F. Skinner, the famous behaviorist who had devised a test chamber to study learning in rats. The Skinner box, as it became known, dispensed food pellets…

An elite hacking group sponsored by Russian intelligence gained access to the emails of some of Microsoft’s senior executives beginning in late November, the company disclosed in a blog post and regulatory filing on Friday.Microsoft said it had discovered the intrusion a week ago and was still investigating. The hackers appeared to focus on combing through Microsoft’s corporate email accounts to look for information related to the hacking group, which Microsoft’s researchers called Midnight Blizzard.The hackers looked through emails from Microsoft’s senior leadership team as well as employees in cybersecurity, legal and other groups, and took some emails and attachments,…