60+ of the best Harvard University courses you can take online for free

TL;DR: A wide range of online courses from Harvard University are available to take for free on edX. Do you have big plans to do absolutely nothing over the festive period. We get it. It's been a long ...

实测 GPT-5.2 ：价格暴涨能力微涨，凭什么反击 Gemini

全新的 Gemini 深度研究 Agent 在人类最后的考试（HLE），用 46.4% 击败了刚刚发布的 45.5% 的 GPT-5.2 Thinking（最高是 GPT-5.2 Pro 50.0%），并且在 Google 自己推出的 ...