Gen Z Is Pioneering a New Understanding of Truth

The polar bear video has millions of views. Set to a haunting piano score that’s become ubiquitous on TikTok, it shows a lone bear swimming between increasingly distant ice floes. The comments section overflows with teenage grief, rage, and helplessness. Beside my laptop screen lies the latest Intergovernmental Panel on Climate Change (IPCC) report. Same…

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Tesla Found Partly Liable in 2019 Autopilot Death

A Miami jury found Tesla partially liable Friday in a 2019 crash that killed one person and injured another—all while the driver of the Model S used the automaker’s Autopilot driver assistance feature. The jury found Tesla liable for $200 million in punitive damages, plus an additional $43 million in compensatory damages. (Because of state…

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Study of Buddhist Monks Finds Meditation Alters Brain Activity

If you’ve ever considered practicing meditation, you might believe you should relax, breathe, and empty your mind of distracting thoughts. Novices tend to think of meditation as the brain at rest, but a new international study concludes that this ancient practice is quite the opposite: Meditation is a state of heightened cerebral activity that profoundly…

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The ‘Lonely Runner’ Problem Only Appears Simple

The original version of this story appeared in Quanta Magazine. Picture a bizarre training exercise: A group of runners starts jogging around a circular track, with each runner maintaining a unique, constant pace. Will every runner end up “lonely,” or relatively far from everyone else, at least once, no matter their speeds? Mathematicians conjecture that…

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Best Innerspring Mattresses of 2025

Sleek foam mattresses may dominate in the virtual bedrooms of our social feeds, but innerspring mattresses are far more popular in real life. They account for 53 percent of those purchased new since 2015, according to Consumer Reports’ 2023, 2024, and 2025 Mattress Brand Comfort and Satisfaction member surveys of 75,317 mattresses. (Only 24 percent…

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