I've worked with AI for decades and have a master's degree in education. Here are the top free AI courses online that I recommend - and why.

Curious how the Caesar Cipher works? This Python tutorial breaks it down in a simple, beginner-friendly way. Learn how to ...

This valuable study identifies a novel regulator of stress-induced gene quiescence in C. elegans: the multi-Zinc-finger protein ZNF-236. The work provides evidence for an active mechanism that ...

Jan. 17, 2026 Scientists are uncovering a hidden and surprisingly complex earthquake zone beneath Northern California by tracking swarms of tiny earthquakes that are far too weak to feel. These faint ...

Background Annually, 4% of the global population undergoes non-cardiac surgery, with 30% of those patients having at least ...

This skill supports images (JPG, PNG, WebP), photos, PDFs, Microsoft Office documents (Word, Excel, PowerPoint), HTML files, and text files. To try this on the Copilot website or desktop app, click ...