Update (2025/10/31): Incorporated QOJ OCR data from @cjwen6. Thanks a lot for the contribution! Also added HTTPS. Simplify the statement & remove background by prompting LLM. Embed the simplified ...

What are the most pressing global crises in 2026? Each year, the International Rescue Committee’s (IRC) Emergency Watchlist identifies the countries at greatest risk of new or worsening humanitarian ...

It’s a familiar moment in math class—students are asked to solve a problem, and some jump in confidently while others freeze, unsure where to begin. When students don’t yet have a clear mental model ...

When my cofounder and I were accepted into a competitive startup accelerator program in fall 2025, we applied with an ambitious idea: to build an “AI scientist” for machine learning research. What ...

Abstract: In this contribution, we consider recently proposed analytical methods for the exact evaluation of double surface integrals present in the Galerkin discretization of acoustic and ...

Five years ago, mathematicians Dawei Chen and Quentin Gendron were trying to untangle a difficult area of algebraic geometry involving differentials, elements of calculus used to measure distance ...

Owners reported sudden deceleration, downshifting, and temporary rear wheel lockups in 2015-2017 models. The investigation by the National Highway Traffic Safety Administration could potentially lead ...

Microsoft’s MSFT-2.58%decrease; red down pointing triangle Copilot chatbot has become central to its artificial-intelligence strategy as the company’s close partnership with OpenAI diminishes. But the ...

iPhones As a former phone engineer, I have some serious concerns about Apple potentially introducing variable apertures into the iPhone 18 Pro macOS macOS Tahoe 26.4 public beta is here — and these ...

Abstract: The vehicle routing problem with backhauls (VRPBs) is a challenging problem commonly studied in computer science and operations research. Featured by linehaul (or delivery) and backhaul (or ...