It's strange that a science should take as given an undiscovered substance. On the dubiousness of dark matter: http://ow.ly/Vfn02
12:00 PM - 30 Nov 2015
0 replies
9 retweets
5 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.