What educational content of Youtube should you watch?
Short and easy to understand scientific, techonlogical, entertainment and design concepts. It's fun and won't take up much of your time.
News in the Science world - easy and fun.
Lectures about various topics - for the general populace.
Fun scientific experiments, interviews and demonstrations that will surely intrigue you.
Lists, fun facts, debunking misconceptions, questions answered... Really all you need for a fun and educational afternoon.
Sketches of Physics explanations - the easiest way to understand some topics, other than witnessing them in person.
For more you can always go to Related Channels on the side of each page.