Speaker: Christopher Dean Title: Abstract Grothendieck fibrations and directed path objects Abstract: A tribe in the sense of Joyal is a convenient framework for reasoning about the path-lifting ...

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to ...

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 ...

Looks and feels more like jewelry than ever. New Smart Sensing platform makes the ring more accurate and easier to wear. Updated app with interesting new features. Better battery life. Both ...

I’m PCMag’s senior analyst covering smart home and wearable devices. I’ve been writing about tech professionally for nearly a decade and have been obsessing about it for much longer than that.

Oura's got a new smart ring out. Let's talk about it. The release of the Oura Ring 4 brings the next generation of Oura's popular wearable to the market. Many tech reviewers, such as Mashable's ...

Please verify your email address. The Oura Ring 4 is the kind of iterative hardware update I like to see. For the same $349 starting price as the Gen 3 Horizon, Oura's latest smart ring is a bit ...

The Oura Ring 4 offers an impressive AI advisor and a sleek, striking design. But in my experience, it plays far more nicely with iPhone than Android. Oura Ring 4 has entered the chat and is here ...

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 ...

Several Asian American households in Colorado were burglarized in targetted attacks that law enforcement officials warned may be part of a nationwide ring tied to the “South American Theft Group.” ...

I wanted to see which was best, and the Oura Ring Gen 3 was the clear winner. Well, it’s been about two weeks since my experiment ended, and there’s now a new winner: the Oura Ring 4.