Moth Light Media- It's about the evolution of animals.

https://www.youtube.com/channel/UCOh5Ht3eB4914hMUfJkKa9g

AsaToshi- Does some really nice things in Miku Miku, it's the only thing of that sort I watch.

https://www.youtube.com/channel/UCHYbgK3TDYlBDANhv5NPwQQ

EA Story-He has some pretty good and detailed videos on numerous wars detailing unit locations and actions on the front lines.

https://www.youtube.com/channel/UCElybFZ60Hk1NSjgCf7I2sg

Greg's Airplanes and Automobiles- Has some quite good information on WW2 Fighters.

https://www.youtube.com/channel/UCynGrIaI5vsJQgHJAIp9oSg