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

The city Department of Education is once again investigating a bad teacher for fixing grades — more than a decade after trying to fire him for falsifying Regents test scores, The Post has learned.

If you own a recent Apple Watch, you'll soon regain access to blood oxygen monitoring. Later today, owners of the Apple Watch Series 9, Series 10, and Ultra 2 will be able to download an update that ...

Education savings accounts, tax-credit scholarships, vouchers, charter schools, home schooling, tutoring, course choice, dual degrees, and microschools are transforming K–12. In “Talking Choice,” ...

The Gen III TacIRST distributed infrared threat‑warning system will equip the F-22 Raptor, with an evaluation planned in 2026. Lockheed Martin has announced the first flight of the latest iteration of ...

A Silicon Valley startup backed by OpenAI’s Sam Altman and Coinbase’s Brian Armstrong is pursuing research that some fear could lead to the birth of a genetically engineered baby — a step that’s ...

Researchers have made a significant advance in the development of a blood test for Alzheimer's, creating a new sensor design that is ultra-sensitive, outperforms competing technologies and can be ...

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 ...

A lot of car enthusiasts have started working on their own cars, turning their garages into at-home mechanics, in order to avoid high prices and possibly getting overcharged by repair shops. However, ...

STARBASE, Texas—SpaceX launched the 10th test flight of the company’s Starship rocket Tuesday evening, sending the stainless steel spacecraft halfway around the world to an on-target splashdown in the ...

For heart rate testing, Horst used a Polar H10 chest strap as the benchmark. The Apple Watch Ultra 2, running watchOS 26 beta, delivered results that were nearly identical to the strap during indoor ...