Awesome, fun, interesting videos and graphics about stuff that matters.
http://www.upworthy.com/
The Quartz Daily Brief is the best morning briefing.
http://qz.com
ChartGirl uses info-graphics and images to report on news, culture, and relevant events.
http://www.chartgirl.com
Narratively is a community of talented storytellers who are devoted to uncovering and sharing in-depth local stories with a universal appeal.
http://www.narratively.com/
You Think Your Soooooo Smart. Dont you?
http://youarenotsosmart.com/all-posts/
but aren't limited to, Facebook, Instagram, Snapchat, Twitter, Vine and YouTube.
http://www.nowthisnews.com/
A question and answer site for science.
http://scifi.stackexchange.com/