Best Exercise Bikes of 2025

Our testers evaluate each exercise bike for a number of different factors that are likely to influence users’ satisfaction with their machines long-term. For all three types of bikes, we assess adjustability, including how finely you can adjust the bike’s seat height and position to get a comfortable ride, and how wide a range of…

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Why SpaceX Is Finally Gearing Up to Go Public

SpaceX is planning to raise tens of billions of dollars through an initial public offering next year, multiple outlets have reported, and Ars can confirm. This represents a major change in thinking from the world’s leading space company and its founder, Elon Musk. The Wall Street Journal and The Information first reported about a possible…

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What Parents Can Do to Protect Their Teen Drivers

Despite the perception that our teenagers and young drivers profess to know everything, they’re still watching and learning from how their parents behave. The example you set for them behind the wheel may be the most important in terms of actually keeping them safe, more so than any other safety message you’ve given them in…

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Best All-Season Tires for Winter Driving

To be clear: If you live in the snow belt and face harsh winter driving conditions, winter/snow tires are your best bet. But if you have the ability to wait until roads are cleared before traveling, there are some great choices in each all-season tire category for winter grip. Among the 52,235 sets of tires…

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What’s the Best Hair Straightener for You? It Depends (2025)

Compare Our Top 10 Hair Straighteners Other Straighteners We Tried Photograph: Kat Merck Paul Mitchell Neuro Style+ for $150: The latest in Paul Mitchell’s lineup of otherwise standout hair straighteners, this ceramic iron with Paul Mitchell’s new NeutraHeat temperature-regulating technology goes up to 450 degrees Fahrenheit and has dual voltage for travel. However, the body…

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How to Get the Vaccines You Need Now

Varicella-zoster, the virus responsible for chickenpox, may lie dormant and reactivate later in life, causing shingles. This can bring a painful, blistering rash and lead to chronic nerve pain, pneumonia, temporary or permanent vision loss, hearing problems, and brain inflammation. Is it effective? The two-dose vaccine prevents shingles in 97 percent of people ages 50…

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An AI Dark Horse Is Rewriting the Rules of Game Design

The video game Valorant, a fast-paced team-based shooter, has recently become a testing ground for a promising new direction in artificial intelligence research. The game’s developers at Riot Games (a Tencent subsidiary) are using 3D-native AI models to prototype new characters, scenes, and storylines, according to a researcher familiar with the company’s efforts who spoke…

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3 Best Smart Displays (2025): Tested By a Smart Home Addict

Comparing Our Favorite Smart Displays More Smart Displays We Like Echo Hub for $180: The Echo Hub isn’t exactly a smart display. It lacks powerful speaker capabilities and doesn’t have a camera for calls or Amazon’s Drop-In video call feature. Instead, it focuses entirely on being a smart home dashboard with built-in Alexa, plus features…

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‘Big Balls’ No Longer Works for the US Government

Edward “Big Balls” Coristine, one of the first technologists hired as part of Elon Musk’s so-called Department of Government Efficiency (DOGE), is no longer working for the federal government, according to multiple sources. “Edward Coristine resigned yesterday,” a White House official tells WIRED. Coristine received full-time employment status at the GSA late last month, as…

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