Your watch’s VO2 max isn’t perfect, but you can improve its accuracy with better data and heart-rate tracking.

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

When her boyfriend, John O’Keefe, also a member of the Boston Police force, is found dead — his body discovered in a snowbank near a friend’s house — all eyes turn to Karen Read. She is eventually ...

Vivoo's attachable smart toilet sensor was unveiled at CES 2026 and is designed to analyze hydration levels in real time. Corin Cesaric is a Flex Editor at CNET. She received her bachelor's degree in ...

Aqara has announced the Spatial Multi-Sensor FP400, a new presence sensor that it says is precise enough to suss out whether you’re sitting, standing, or lying down. The FP400 builds on several past ...

PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...

NBC’s A Toast to 2025! returns as a primetime New Year’s Eve special designed to celebrate and reflect on the most memorable, entertaining, and impactful moments of the year just past. Airing 10:30 ...

2026 is just around the corner! If you’re looking to watch the ball drop live on TV this New Year’s Eve, there are various channels and streaming platforms offering live (and some free) access to New ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. New York isn’t the only city throwing a big, televised ...

We may receive a commission on purchases made from links. While it may seem intimidating at first, there are plenty of easy DIY auto maintenance projects that even the most novice DIY-er can handle.

Gemini Live is the more conversational, natural language way of interacting with the Google Gemini AI bot using your voice. The idea is you chat with it like you would chat with a friend, ...

Manchester United welcome Newcastle United to Old Trafford for the lone Premier League Boxing Day clash of 2025. Ruben Amorim’s side had discovered some form in October, but enter the clash having won ...