University of Michigan Hides First-Semester Grades to Support Student Mental Health

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The University of Michigan has announced a policy to withhold first-semester grades in an effort to address a growing mental health crisis among its students. The initiative aims to reduce academic pressure on incoming students during their initial transition to university life. By removing the immediate weight of graded performance, the university hopes to foster a healthier adjustment period for new enrollees. The move reflects a broader trend among higher education institutions grappling with rising rates of student anxiety and stress.

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Nvidia Launches NeMo Switchyard to Cut AI Agent Costs via Intelligent Model Routing

Nvidia has released NeMo Switchyard, an open-source routing SDK designed to automatically direct tasks within AI agent workflows to the most cost-appropriate model. Alongside it, the company launched Nemotron 3.5 Lightning, a 30-billion-parameter open mixture-of-experts model with only 3 billion active parameters. Switchyard aims to solve a common problem in agent development: routing simpler steps to cheaper models while reserving expensive frontier models for tasks that genuinely require advanced reasoning. Nvidia claims the system can reduce costs to roughly one-third of using Claude Opus 4.8 alone, with partner Ramp reporting 58% cost savings and 33% faster runtime on internal benchmarks. These figures come from vendor and partner testing, and the system's real-world reliability will depend heavily on how well quality is evaluated alongside cost and latency.

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Permissive robots.txt does not grant rights to republish scraped content

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AMD partners with science ministry to build open-weight AI ecosystem

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Coinbase-Backed x402 Protocol Lets AI Agents Pay for APIs Using Stablecoins

The x402 protocol is an open, HTTP-native payment standard developed by Coinbase and now governed by the x402 Foundation, designed to enable software to pay for APIs automatically using stablecoins like USDC. It revives the long-dormant HTTP 402 Payment Required status code, embedding payments directly into standard HTTP request-response cycles rather than relying on separate billing flows. The protocol is particularly aimed at autonomous AI agents, which cannot manage traditional account signups, API keys, or subscription renewals on their own. In the x402 flow, a client requests a resource, receives payment terms from the server, submits a signed payment proof, and gains access once a facilitator verifies the transaction. The standard is open and not locked to any Coinbase product, making it applicable to a broad range of machine-to-machine and decentralized finance use cases.

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