Allegheny County’s longest cold case for an unidentified victim has been solved using DNA technology. On Wednesday, the Allegheny County Medical Examiner’s Office announced the body of an unknown ...

Abstract: In this article, a machine-learning-assisted antenna array isolation optimization method for bistatic in-band full-duplex (IBFD) communication systems based on a novel intelligent surface ...

When my cofounder and I were accepted into a competitive startup accelerator program in fall 2025, we applied with an ambitious idea: to build an “AI scientist” for machine learning research. What ...

Detective Shaun McCarthy has worked on a lot of cases in his more than 40 years with the Los Angeles County Sheriff’s Department. “I was 10 years as a street gang detective, and now I’m in my 23rd ...

Allegheny County’s longest cold case for an unidentified victim has been solved using DNA technology. On Wednesday, the Allegheny County Medical Examiner’s Office announced the body of an unknown ...

Peel and stick wallpaper is popular for quick updates, but it does not always go as smoothly as expected. This video shows a new way of using it that tackles common frustrations many DIYers run into.

Abstract: Metaheuristic algorithms have demonstrated strong effectiveness in solving complex real-world optimization problems. This paper presents two discrete metaheuristic approaches for the ...

Mathematics, like many other scientific endeavors, is increasingly using artificial intelligence. Of course, math is the backbone of AI, but mathematicians are also turning to these tools for tasks ...

The editorial board is a group of opinion journalists whose views are informed by expertise, research, debate and certain longstanding values. It is separate from the newsroom. Thirteen years ago, no ...

We may receive a commission on purchases made from links. Once upon a time, the Walkman and then the flip phone were on the cutting edge of consumer gadgets for anyone who had their finger on the ...

For decades, the Golden State Killer avoided capture despite leaving DNA at multiple crime scenes. Traditional databases failed, fingerprints led nowhere, and the case went cold. Everything changed ...

The history of human progress is usually defined by brilliant minds solving the world’s most pressing issues, but sometimes, that creative spark lands on something entirely unnecessary. We live in a ...