A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

Artificial intelligence is consuming enormous amounts of energy, but researchers at the University of Florida have built a chip that could change everything by using light instead of electricity for a ...

Here's how you can submit letters to the Public Pulse opinion section. In a bonus version of The Public Pulse, readers weigh in on traffic in downtown Omaha, families' access to Medicaid, Donald Trump ...

The WSJ/College Pulse 2026 Best Colleges in the U.S. ranking rates the 584 eligible universities in the country. The ranking was developed and executed in collaboration with our research partners ...

The megalithic site of Gunung Padang in the highlands of western Java was constructed some 2,000 years ago over the course of several generations. Similar stone monuments are found across the ...

The Chicago Manual of Style is an American English style guide published by the University of Chicago Press. The Manual’s guidelines for publishing, style and usage, and citations and indexes—known as ...