MinutePhysics Simply put: cool physics and other sweet science. mq1
TED Ideas worth spreading
AsapSCIENCE Your weekly dose of fun and interesting science.
Mental Floss A weekly series where knowledge junkies get their fix of trivia-tastic information!
Vsauce Mind-Blowing Facts
Vsauce2 Mind-Blowing Creations & The Best of the Internet
Kurzgesagt  Videos, explaining things. Like evolution, time, space, global energy or our existence in this strange universe.  
 It's Okay To Be Smart  This is a show about science.