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Mercor, an AI recruiting startup founded by 21-year-olds, raises $100M at $2B valuation

Mercor, the AI recruiting startup founded by three 21-year-old Thiel Fellows, has raised $100 million in a Series B round, the company confirmed to TechCrunch. Menlo Park-based Felicis led the round, valuing Mercor at $2 billion—eight times its previous valuation, the Wall Street Journal previously reported. Existing investors Benchmark, General Catalyst, and DST Global also participated. General Catalyst had led the company’s $3.6 million seed round in 2023, while Benchmark backed its $32 mil

Oura's CEO wants its smart ring to be the doctor in your pocket

ZDNET I've been wearing an Oura Ring for over a year. Whenever I'm asked about my thoughts on the device, I say that the Oura Ring is one of the few products that nearly always does exactly what it claims to do. The ring can predict when you're about to get sick, catch variations in your heart rate, provide an accurate list of ingredients to log after you take a photo of your breakfast, and document your physical and emotional stress in real time. I'll never forget how it captured my sky-high

Broken legs and ankles heal better if you walk on them within weeks

Twenty years ago my husband, Mark, broke his left ankle and was in a cast and on crutches for nearly two months. Last year he broke the other ankle. But this time, after surgery, his doctor surprised us by instructing Mark to walk on it two weeks later. It turns out the standard advice to stay off a broken leg bone for at least six weeks is based less on scientific evidence and more on cultural caution—physicians like to play it safe. But now studies show that complications are no more likely w