In a scientific development that sounds like it's been copied from the pages of a science fiction novel, researchers are entertaining the notion that our universe might have a shadowy counterpart — a parallel dimension where dark matter follows a bizarro version of our physical laws.

Twitter is an uncivilized wilderness of weirdness. The latest, greatest descent into the rabbit hole of the Twitterverse comes courtesy of a viral video of a lady on a plane aggressively accusing her seat mate of being “not real.” On the surface, it could be relatively easy to dismiss the clip as a case of too much booze before boarding, or even a medical episode of delusion. But in the days since the original video first emerged, this particular rabbit trail has gotten curiouser and curiouser.