每逢考试结束，最让老师头疼的不是阅卷，而是如何把成绩准确、安全地传递给每一位家长。传统方式中，微信群发成绩单看似快捷，实则隐患重重：信息容易被截屏外泄，学生成绩隐私难以保障；家长在群内反复追问“我家孩子多少分”，导致消息刷屏，沟通效率低下；更有甚者， ...

Learn to code’ is dead. So what the heck should you actually teach your kids in the age of AI? - IN FOCUS: Holly Baxter asks ...

每逢考试结束，最让老师头疼的不是阅卷，而是如何安全、高效地把成绩发给每一位家长。传统的微信群发、QQ群通知、电话沟通等方式不仅效率低，还极易引发隐私泄露问题。更有甚者，个别家长因看到他人孩子成绩而产生攀比情绪，影响家校关系。如何在保护学生隐私的前提下 ...

Harvard's free programming classes teach you how to think, debug, and adapt in an AI-driven world where knowing code matters more than ever.

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...