In mathematics, an associative algebra A over a commutative ring K is a ring A together with a ring homomorphism from K into the center of A. This is thus an algebraic structure with an addition, a ...

MTG's The One Ring card has been dropping in price, most likely due to fears it will be added to the Modern ban list next ...

"The engagement ring is a rare elongated cushion-cut diamond, weighing 7 carats, set in a simple gold band, giving Zoë’s old Hollywood style a modern edge." She valued the ring at "upwards of ...

If you buy something from a Polygon link, Vox Media may earn a commission. See our ethics statement. Cameron Faulkner (he/him) is Polygon’s commerce editor. He began writing about tech and ...

Gorgeously designed, easy to wear, long-lasting and full of granular health information, the Oura Ring 4 is nearly the perfect fitness tracker. I loved using it, and will continue to do so ...

I’ve made no secret about wearing the Oura Ring smart ring for many years. I am definitely a fan of the product, as is made clear by this longevity, but don’t take this to mean I’ll go easy ...

Both the Oura Ring 4 and the Galaxy Ring are designed to be worn for extended periods of time, so comfort has to be one of the main considerations. The Oura Ring 4 has a comfortable fit ...

The Oura Ring 4 is hands-down the greatest smart ring for fitness tracking that money can buy. Between the comfortable fit, discreet functionality, nearly a week of battery life and a ...

The arrival of the Oura Ring 4 has long been rumoured. Not least because its predecessor, the Oura Ring Gen 3, has been out for years. It seemed the company wasn’t in a rush to update its ...

Modern Love is a weekly column, a book, a podcast and a television show about relationships, feelings, betrayals and revelations. Modern Love is a weekly column, a book, a podcast and a television ...