Youtube channels

Science:

https://www.youtube.com/@MinuteFood

https://www.youtube.com/@jkzero

https://www.youtube.com/@christopherdever5536

Technology:

https://www.youtube.com/@Fuelvin

https://www.youtube.com/@SpanningTree

https://www.youtube.com/@PolylogCS

https://www.youtube.com/@TwoMinutePapers 

Engineering:

https://www.youtube.com/@Engineezy

https://www.youtube.com/@SteveMould

https://www.youtube.com/@smartereveryday

Maths:

https://www.youtube.com/@standupmaths

https://www.youtube.com/@PrimerBlobs

https://www.youtube.com/@3blue1brown 

https://www.youtube.com/@Mathologer

https://www.youtube.com/@numberphile

Extras:

https://www.youtube.com/@TED

https://www.youtube.com/@TEDEd 

https://www.youtube.com/@mitocw

https://www.youtube.com/@CGPGrey

https://www.youtube.com/@EnlargedKai

https://www.youtube.com/@thejuicemedia