Wait though … Perplexity—like other AI search engines—has been criticized for hallucinating and getting things wrong. We welcome this criticism, because it’s the best way for us to continually improve. In reality, errors account for a small fraction of results, and our answers are far more accurate than 10 blue …

Although Elon Musk has said that he is largely exiting his role at the so-called Department of Government Efficiency (DOGE), at least three of his early operatives and key lieutenants throughout his government takeover have recently become full-time government employees. Edward Coristine, Luke Farritor, and Ethan Shaotran’s employment designations at …

Every office is a microcosm of personalities, making the quest for the best gifts for coworkers exciting and baffling. You’ve got the snack lover, whose bottomless drawer of treats resembles a mini convenience store, always offering a morsel during that mid-afternoon slump. There’s the wellness enthusiast, ever zealous to remind …

After moving to one of North America’s largest river islands late last year, I decided that I should check out more of my new home by water. I have long been a fan of the freedom that a small dinghy or bass boat offers, even on larger rivers like the …

While the study was still in the recruitment phase, Nadolsky left the team. Entrenched Positions Klatt, of UC Berkeley, is extremely well-versed in nutrition research and the current online debates around cholesterol. He’s written about this study and its fallout on his personal Substack, and calls Nadolsky a friend. Klatt …

One of my pet peeves as a professional mattress tester of over five years? Using the titles “adjustable mattress” and “adjustable frame” interchangeably when they are, in fact, different things altogether. It doesn’t help that these products come up within the same search and are often labeled as the same …

In the spring of 2018, thousands of Google employees pressured the company into dropping a major artificial intelligence contract with the Pentagon. The tech giant even pledged to not use its AI for weapons or certain surveillance systems in the future. The victory, which came amid a wave of unprecedented …

There are around five darkness retreat centers in the US, Berman says, with approximately 100 worldwide. Sky Cave has three dark rooms; four-night retreats cost $1,770, with an extra night to settle in and another to decompress afterward. The potential effects of prolonged darkness have not been studied well, but …

Other Smart Scales Photograph: Chris Null Renpho MorphoScan for $160: The Renpho MorphoScan full-body scanner looks surprisingly similar to the Runstar FG2015, including a near-identical display attached to the handlebars. Well, spoiler alert, they are basically the same scale. They even use the same app to collect data (and you …

While the US military has spent lavishly on missile defense over the past few decades, it has “little to show” for it, argues a recently revised report published by the Panel on Public Affairs of the American Physical Society, a nonprofit that researches physics and other scientific issues. The authors, …