The catch with these free courses is that they don't include certificate of completion or graded assignments and exams. But you can still enroll at any time and start learning at your own pace. Find the best free online courses from Harvard University with edX.

Several Unitree G1 robots remotely operated by human beings punched, kicked, and kneed one another in a fight to the top in what is being billed as "the world's first combat competition exclusively featuring humanoid robots.

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Save 200: As of June 3, the Eufy X10 Pro Omni robot vacuum is on sale for 699.99 at Amazon. Ok, we go on about robot vacuums a lot here at Mashable, but we can't stop sharing the love for the Eufy X10 Pro Omni Robot Vacuum. Just check out our review and you'll see why we love it so much. And as of June 3, it is currently priced at 699.99. Some of the most noteworthy features include self-emptying functionality, AI obstacle detection, carpet detection, and voice reminders.

SAVE 50: As of June 3, the PlayStation 5 Pro is on sale at Target for 649.99. Get an extra 5% off with Target Circle. The coveted PlayStation 5 Pro has dropped to its lowest-ever price at Target. As of June 3, this console is 50 off at Target, now priced at 649.99. But that's not all -- get an extra 5% off if you're a Target Circle member.

Samsung users might have Perplexity-powered features on future devices. According to a report from Bloomberg, Samsung is "nearing a wide-ranging deal" to bring Perplexity search capabilities to the upcoming Galaxy S26 series. That could include the Perplexity app pre-loaded on Samsung devices, Perplexity search features within Samsung's web browser, and possibly integrating Perplexity with Samsung's Bixby virtual assistant. Samsung is also reportedly a major investor in Perplexity's latest funding round, which seeks to raise 500 million at a 14 billion valuation, said the outlet. Samsung was early to bring AI features to its devices, claiming the Galaxy S24 series was the "first AI phone."

Apple's Worldwide Developers Conference is nearly here, and that means you can expect big updates from the tech giant. In 2023, the company pulled back the curtain on the Vision Pro. A year later, Apple Intelligence made its debut. Now, all eyes are on what's next. So far, WWDC 2025 rumors point to one clear headline: major iOS updates.

We're exactly one week out from Apple's World Wide Developers Conference (WWDC) 2025 -- and we expect the event to bring major changes to the iPhone's iOS software. So far, we have more rumors than facts about the updates to iOS, but these rumors are all but confirmed. Last week, we learned that Apple would be leaping from iOS 18.5 to iOS 26, switching to a new year-based naming convention for iOS (and macOS, watchOS, tvOS, and visionOS), as first reported by Bloomberg's Mark Gurman, who has a rock-solid history of major Apple scoops. What changes can we expect from iOS 26 and WWDC 2025? Apple is teasing the June 9 event with a banner and "Sleek peek" tagline but is otherwise quiet.

SAVE 20: The Amazon Echo Spot is on sale for just 59.99, down from 79.99 as of June 2. That's the lowest price its seen all year. Not to mention, it comes with a free WiZ smart bulb. One of the newest additions to the Amazon Echo family, the Echo Spot serves as a fancy alarm clock to help you wake up and wind down each day with smart features. If your morning routine could use a boost, now's a great time to grab one, as it's down to its lowest price this year.