Over several months, three health and smart home experts monitored air quality in different locations. This is what surprised us.

Crystal contamination can be eliminated by adding Rislone DEF Crystal Clean ® Diesel DEF & SCR Emissions System Cleaner (part #4784) to the vehicle’s DEF/AdBlue ® tank. Once the system is clean, use ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

In the race to produce higher resolution image sensors—now pushing beyond 500 megapixels—the industry faces significant challenges. These sensors aren’t just capturing more pixels; they’re handling ...

A new technology has been developed that enables cuffless noninvasive blood pressure monitoring by using ultrasonic to track real-time changes in vascular diameter—without the need for a traditional ...

Imagine this scenario: Your supercharged project car is finally completed. Fresh engine, badass centrifugal blower, speed-density ECM tune, plenty of fuel, yadda-yadda-yadda. With a deck this stacked, ...

Expert DIYer April Wilkerson tests the Franklin Sensors 710 stud finder and explains its accuracy and features. A rabbi's warning to America about Idaho's Christian nationalism | Opinion ‘False ...

Democrats are facing growing pressure to end the government shutdown as millions brace to lose food aid and health care costs surge. A federal judge weighs whether to force the Trump administration to ...

Scientists from the University of Exeter has developed a precise method to interpret ankle blood pressure readings—an innovation that could transform care for people unable to have their arm blood ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The Apple Watch’s ...

Among the many problems with the flu is the fact that you can spread the virus before you even know you've got it. An experimental new "sensor" could one day keep you from doing so, by causing you to ...