If you wanna learn from the best chef in the world:
You Suck At Cooking! Yeah, you totally suck!
Or Preppy Kitchen if we're being serious
Legal stuff:
Meidas Touch and Legal Eagle
Retro video and music devices:
Techmoan and VWestlife
Also: Tom Scott. Or at least his backlog because he retired.
And a very important one! - Science stuff: Potholer54 I can't believe he doesn't have millions of subs. It actually kind of makes me sad.