Big Think 2017 Top Ten: #9. Neil deGrasse Tyson on Dark Matter

Don't believe the dark matter hype! Neil deGrasse Tyson breaks down the fundamental thing we all need to understand about the most mysterious matter in the universe in our #9 video of the year. Read more at BigThink.com: http://ift.tt/2rAIVlj Follow Big Think here: YouTube: http://goo.gl/CPTsV5 Facebook: http://ift.tt/1qJMX5g Twitter: https://twitter.com/bigthink