How to clean a carburetor, with or without removing it

On older vehicles and smaller engines, the carburetor controls the mixture of fuel and air that reaches the engine. Here's how to keep it clean.

I tried a $170 Oura Ring alternative with no subscription - here's my buying advice

With the rise in popularity of the Oura Ring, I've seen lots of ZDNET readers express interest in finding a more affordable alternative. I don't blame them; while the Oura Ring is a leading smart ring ...

Artificial lung system keeps patient alive without lungs until transplant

Humans can't live without lungs, but Ankit Bharat's patient did for 48 hours.
Nature

48 hours without lungs: artificial organ kept man alive until transplant

The external, artificial-lung system could be used to treat other people who are critically unwell and awaiting transplants.