Philosophy related channels: * https://www.youtube.com/channel/UCFaYLR_1aryjfB7hLrKGRaQ * https://www.youtube.com/c/academyofideas * https://www.youtube.com/c/ApertureScience/videos * https://www.youtube.com/user/wordsoftheworld/videos * https://www.youtube.com/c/theschooloflifetv/videos

STEM related channels: * https://www.youtube.com/c/smartereveryday * https://www.youtube.com/c/Eigensteve * https://www.youtube.com/greymatter/videos * https://www.youtube.com/c/RealEngineering * https://www.youtube.com/c/inanutshell * https://www.youtube.com/c/AsapSCIENCE * https://www.youtube.com/user/BackstageScience/videos * https://www.youtube.com/user/DeepSkyVideos/videos * https://www.youtube.com/c/EverydayAstronaut * https://www.youtube.com/c/georgehotzarchive * https://www.youtube.com/channel/UCBAdGeil51Iw4y29Sh9Y7hA * https://www.youtube.com/c/PracticalEngineeringChannel & Veritasium, VSauce as well.

Conversations and lectures: * https://www.youtube.com/c/lexfridman * https://www.youtube.com/c/mitocw * https://www.youtube.com/c/TheKnowledgeProject * https://www.youtube.com/channel/UCzIaA-ufKJk9Ha-bK5jx0Lg/vid... * https://www.youtube.com/c/samharrisorg/videos

Any channels related to Nottingham University are just amazing, they have some really great professors producing quality content. Computerphile, Numberphile, nottingham science.