UPDATE: Nasa has posted their own blog post about the video, including all of the different technologies used.
I'm going to start this real slow and lay out the facts: Knotting is a popular trend in fan fiction. It involves men having sex with men like wolves. And it often leads to male pregnancy, which leads to male delivery. And the people giving birth to feces-covered babies are often members of One Direction.
Sadly, the united front presented by Michael Douglas and Catherine Zeta-Jones during their shittiest times lately has come to an end — a source claims that the two have separated. :|