This is in no true order. They are straight from my subscription list.

• https://www.youtube.com/user/testedcom
• https://www.youtube.com/channel/UCfDNi1aEljAQ17mUrfUjkvg
• https://www.youtube.com/user/bkraz333
• https://www.youtube.com/user/AsapSCIENCE
• https://www.youtube.com/user/OrderoftheGoodDeath
• https://www.youtube.com/channel/UCvG04Y09q0HExnIjdgaqcDQ
• https://www.youtube.com/user/bgfilms
• https://www.youtube.com/user/BobRossInc
• https://www.youtube.com/user/bionerd23

• https://www.youtube.com/user/Arrowmont
• https://www.youtube.com/user/BonAppetitDotCom
• https://www.youtube.com/channel/UC2MJylovjrLtsGP0_4UrqrQ
• https://www.youtube.com/user/theCodyReeder
• https://www.youtube.com/user/hardscienceshow
• https://www.youtube.com/channel/UCKXx22vOENUyHrVAADq7Z_g

• https://www.youtube.com/user/priorattire
• https://www.youtube.com/user/GREENPOWERSCIENCE
• https://www.youtube.com/user/hardscienceshow
• https://www.youtube.com/user/HellthyJunkFood
• https://www.youtube.com/user/howtocookthat
• https://www.youtube.com/channel/UCfIqCzQJXvYj9ssCoHq327g
• https://www.youtube.com/user/iliketomakestuffcom
• https://www.youtube.com/user/ScienceBasedLife
• https://www.youtube.com/channel/UCggHsHce2n3vvbJf_8YKrMA
• https://www.youtube.com/user/kludge1977
• https://www.youtube.com/user/physicswoman
• https://www.youtube.com/user/geekymedics123
• https://www.youtube.com/channel/UCcLLeIWDYtttEzvTEhkfshQ
• https://www.youtube.com/channel/UC1D3yD4wlPMico0dss264XA
• https://www.youtube.com/user/Gooferking
• https://www.youtube.com/user/scishow
• https://www.youtube.com/user/SteveSpanglerScience

• https://www.youtube.com/channel/UCCDfkt16Uz0l1Qsk3fx_7Og
• https://www.youtube.com/user/01032010814
• https://www.youtube.com/user/TheChemlife
• https://www.youtube.com/user/thegeekgroup
• https://www.youtube.com/user/HoneyBmama
• https://www.youtube.com/channel/UCy-VnRxdzpcQSnR8nPo4wWw
• https://www.youtube.com/user/TheBackyardScientist
• https://www.youtube.com/user/ThreadBanger
• https://www.youtube.com/user/TodayIFoundOut
• https://www.youtube.com/channel/UClnDI2sdehVm1zm_LmUHsjQ

There is definitely channels that I am unaware of. And I have far more than this… But I was limiting the choices to more learning based channels. If you want to add…. Comment them so others have access.