Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Even though we have more sunlight during the day now, it’s still ...

Chemists in South Korea have created a stable color-changing sensor that displays an easily quantifiable response to the pH of its surroundings. Published in Microsystems & Nanoengineering, Dong-Hwan ...

A food-safe gelatin microneedle sensor pierces sealed packaging and changes color as food spoils, offering consumers a real-time alternative to static expiry dates. (Nanowerk Spotlight) Open a package ...

In an era when our wrists and fingers quietly log every heartbeat, step, and hour of sleep, personal health and wellness have never felt more within reach. Watches offer gentle nudges, rings trace ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

This all-purpose presence sensor is a master at monitoring indoor activity and linking it to smart home features you already use. Tyler has worked on, lived with and tested all types of smart home and ...

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

Deputy President Kithure Kindiki leading campaigns for Leo Wamuthende, the UDA candidate in next Thursday’s Mbeere North Constituency by-election.[DCS] The man being supported by President Ruto and ...

Low oxygen levels in the blood can alter the genetic makeup of key immune cells, weakening the body's ability to fight infection, new research shows. The team discovered that low oxygen appears to ...

As the effects of climate change and ecological decline intensify, the need for accurate, scalable environmental monitoring has never been more urgent. From tracking urban air quality to safeguarding ...

In a surprise Thursday announcement, Apple says that it is bringing the blood oxygen sensor feature back to the Apple Watch Series 9 and newer. The returning feature will be part of an iOS 18.6.1 and ...

Not all poisonous gases have a smell or a color. But a tiny grid of pastel- and candy-colored squares that effectively “sniffs” out hazardous chemicals in the air such as chlorosarin — a highly toxic ...