Honorable Mentions Not everything we test makes the cut as a pick, but that doesn’t mean it’s a bad mattress topper. Here are a few that our testers slept on and got a good night’s sleep with but didn’t love as much as the picks above. Avocado Alpaca Topper for $1,240: If you’re looking for
As Harvard Business School seeks to expand its reach, it’s leaning on AI avatars to provide individual feedback. These avatars were created by a startup called HeyGen and are included in the eight-week, $699 HBS Foundry bootcamp for entrepreneurs. The program offers live sessions with instructors every week, but the AI avatars are the ones
A mysterious new AI model is making the rounds among developers — and nobody is saying who built it. Ox Alpha appeared on OpenRouter on Thursday as a “stealth model” from an anonymous third-party provider. OpenRouter describes it as a “reasoning model designed for coding, sustained agentic work, and production workloads. It is suited for
The universe is full of cool and interesting things, like black hole stars and nightmare planets that get scorched by their host star. Now researchers have found a star that moves ridiculously fast, and it’s right in our celestial backyard, whipping around the Milky Way’s supermassive black hole. Say hello to S301, a star near
I remember having a Spirograph as a kid and being obsessed with it. Its geometric patterns are hypnotic and gorgeous. I also love generative music composition. So bringing those two things together in a browser tab, I’m hooked. Musical Spirograph is a relatively simple concept. A set of points dash around the screen according to
Our phones have become do-it-all gadgets. They enable us to keep in touch with one another, track how many steps we’re taking each day, snap photos of everything, and access the collective knowledge of humanity. All that universal functionality extends across both our work and personal lives. The gadget that pings you on Slack when
