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Sonilo brought the sound. Creators filled the room with ideas and energy. 💎 The challenge: design jewelry with AI, 3D-print it, and create its commercial in one afternoon. At Jewelry GenJam with @machinecinemaai, every table had a different idea taking shape. Creators compared designs, traded feedback, and gathered around each new prototype. The finished jewelry commercials are coming next.

The first #JustinSunPrize# candidates are in a 14-day public review that began Sept 19. Contributions span mathematical solutions and Lean formalization for problems 305, 371, 381, 526, 866 and 1001. Details and formal challenge procedures👇

ByteDance dropped a banger paper on self-evolving agent harnesses! HarnessDev evaluates whether AI agents can build a runnable harness from scratch and iteratively improve it using execution feedback. Most agent benchmarks keep the harness fixed and only evaluate the model inside it. HarnessDev changes the target of evaluation itself. The agent starts from a minimal seed, builds the harness around the task, runs it, observes what worked or failed, and then modifies that harness across multiple iterations. That means the agent is not only solving the task. It is also changing the planning, memory, tool use, state management, and execution logic around itself. The paper evaluates this in two stages: • Creation: can the model build a complete runnable harness from a minimal starting point? • Evolution: can it improve that harness using feedback from previous runs? The interesting part is that runnable does not automatically mean better. Some generated memory and state mechanisms existed in the code but were barely used during execution, and improvements on visible feedback did not always transfer to held-out tasks. Only 34 of 64 harness changes moved in the same direction on both visible feedback and held-out evaluation, and only 2 of 9 final harness versions were actually the best-performing version on the held-out set. So the paper is really exposing a new challenge: Agents can already start modifying the infrastructure they run on. The harder part is making sure those changes actually generalize. I've shared the paper in the comments!

🏆Going above and beyond pays off in the Nest! We are SUPER PROUD of these scholars for scoring 100% on the "Weekly ELA and Math Challenge!" @DrShemon @JMCSchools @suptking #BestInTN# #FutureLeaders# #Empower# #RiseAboveExpectations#

BREAKING: SpaceX pushes FCC to scrutinize Iridium over attempts to block next-generation Starlink gateways. SpaceX says Iridium filed 50+ petitions in 8 months, while the FCC has rejected its challenges 20 times. These gateways boost capacity and enable faster Starlink service.

Marathon Season 3 is more than six rounds of staying active 🏃 For Season 3, we focused on improving the overall Marathon experience, making it easier to follow, more social, more personal, and more rewarding. Here’s a deeper look at what’s new and, more importantly, what it means for you 👇 🛡️ Insurance: Insurance protects you against one missed day during a round, giving you some breathing room without removing the challenge of staying consistent. Insurance is purchased separately for each reward pool and each round, with its price dynamically adjusted based on registrations and the previous round’s success rate. And there’s another benefit for the community: 94% of Insurance purchases go directly into the Marathon reward pool, increasing the potential rewards for successful finishers. 👥 A better way to compete together Marathon doesn’t have to be a solo challenge anymore. Season 3 introduces a much deeper Team experience. Create or join a team, customize it with your own name, logo, banner, and description, and follow your teammates throughout the competition. Team leaders can also send notices and daily reminders, while members can react to team updates. It’s designed to make staying consistent a shared effort. Encourage each other, keep your teammates accountable, and compete together. And there’s something worth competing for: Every round, the top three teams receive rewards for every member: 🥇 1st: 5 GGBoxes + 3 Keys 🥈 2nd: 5 GGBoxes + 2 Keys 🥉 3rd: 5 GGBoxes + 1 Key 🏆 Round AND Season Leaderboards Winning one round is great. Performing consistently across an entire season is even better. Teams can now compete across two different leaderboards. 📅 The Round Leaderboard tracks performance during the current 14-day round. 🌎 The Season Leaderboard tracks cumulative performance across all six rounds. This means every round is a fresh opportunity to compete, while long-term consistency matters throughout the entire season. 🎭 Make Marathon yours Your Marathon journey now has its own identity. Choose your Marathon Name and Avatar, then use them across your profile and leaderboards. Season Pass holders also get access to exclusive Avatars and additional Marathon Name changes, giving you even more ways to customize your identity. 📊 A better Marathon Profile Season 3 also makes it easier to look back at what you’ve accomplished. Your enhanced Marathon Profile brings your history, achievements, stats, and performance together in one place. The more you participate, the more your profile becomes a record of your Marathon journey. ⏱️ A clearer daily experience One of our biggest focuses for Season 3 was making Marathon easier to understand day to day. The refreshed challenge interface gives you a clearer view of your daily challenge progress, remaining Energy requirement, Insurance status, and Auto-join settings. There’s also a daily countdown timer, so you always know exactly how much time you have left to complete your activity before the next day begins. Less guesswork, fewer accidental misses, and a much clearer view of where you stand. 🚀 More flexibility when joining a round Missed the start of a round? You now have a little more flexibility. Rounds begin at 12 AM UTC, but registration remains open for another 12 hours, until 12 PM UTC on the first day. That gives you an extra window to get into the competition without having to wait two weeks for the next round. 🎟️ More value with the Season Pass For those planning to go the distance, the Marathon Season Pass unlocks additional benefits throughout Season 3. ⭐ STEPN Premium Membership until the end of the season 👟 One locked STEPN Common Sneaker 🎭 Exclusive Marathon Avatars ✏️ Additional Marathon Name changes 🎁 Additional Marathon rewards, drops, and bonuses Season 3 is about making Marathon better at every step. More ways to compete. More ways to connect. More ways to make Marathon your own. And a smoother experience that helps you focus on what really matters: getting out there and staying active. Which Season 3 improvement has made the biggest difference to your Marathon experience so far? 👇

Banks have wanted onchain settlement for years. 💵 Cheaper clearing 💳 Programmable treasury operations 🕰️ Liquidity that doesn’t stop at 5pm So why hasn’t bank money moved fully onchain? @blockworksres' research highlights a deeper challenge for banks: Infrastructure. 🧵