The best free AI courses and certificates for upskilling in 2026 - and I've tried them all

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.
insider.si.edu

Slavery by another name : the re-enslavement of Black people in America from the Civil War ...

A note on language -- Introduction : The bricks we stand on -- pt. 1. The slow poison -- 1. The wedding : fruits of freedom -- 2. An industrial slavery : "Niggers is cheap" -- 3. Slavery's increase : ...