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

A long-awaited study commissioned by the FDA has muddied the path forward on how to reduce racial bias in pulse oximeter ...

The Season 4 finale of Special Forces: World’s Toughest Test went out in dramatic fashion. After days of a brutal military-style course, only two celebrity recruits crossed the finish line, thanks to ...

President Donald Trump is off on another ill-informed ranting spree, this time claiming that he has ordered the military to resume nuclear testing. In his interview with 60 Minutes last week, he ...

Thinking of tackling electrical repairs but don’t know where to start? With just a little knowledge–and less than $100 worth of tools including things like wire strippers and a multimeter–you can take ...

Dmitri S. Peskov, a Kremlin spokesman, told Russian news agencies that recent drone and missile tests were not nuclear weapons tests. By Nataliya Vasilyeva In response to President Trump’s threat to ...

Beijing has been expanding its arsenal, and distrust between China and the United States over nuclear weapons has deepened, with little hope of an agreement. By Chris Buckley When President Trump ...

After four months of testing, we can confidently say that the Oura Ring Gen 4 easily upholds the title of the best smart ring on the market. However, we doubt we will ever get used to its bulky design ...

The US Food and Drug Administration has given clearance to another blood test to help assess Alzheimer’s disease and other causes of cognitive decline, providing a broader understanding of when the ...

Flu season is fast approaching in the northern hemisphere. And a taste-based influenza test could someday have you swapping nasal swabs for chewing gum. A new molecular sensor has been designed to ...

The first month of the fantasy football season is in the books, and some managers are facing extremely difficult roster decisions. Teams that currently have losing records are going to have to ...