1. Numberphile
“Videos about numbers – it’s that simple. Videos by Brady Haran.”
https://www.youtube.com/user/numberphile
2. ASAP Science
“Your weekly dose of fun and interesting science.”
https://www.youtube.com/user/AsapSCIENCE
3. Veritasium
“An element of truth – Science videos and now Snatoms!”
https://www.youtube.com/user/1veritasium/featured
4. Minute Physics
“Simply put: cool physics and other sweet science.”
https://www.youtube.com/user/minutephysics/
5. VSAUCE
Saved the best for last. Michael Stevens is without a doubt one of the best presenters and makes the most fascinating videos, huge thumbs up to this guy!
https://www.youtube.com/user/Vsauce
