Very interesting: Huge UFO spotted by NASA last month

https://www.youtube.com/watch?v=0JyE8saz2Mk  Physicist Michio Kaku: NASA has spotted a huge UFO --"we don't know what it is!"

NOVA presentation on Parallel Universes -- very interesting program with Dr. Brian Greene and other prominent physicists.
https://www.youtube.com/watch?v=MTrtpZTEmSY