"Dr. Kaku's Universe is written by Michio Kaku, a theoretical physicist at C.U.N.Y. and a popular radio host and television personality. The blog explores paradoxical and counterintuitive oddities of the physical world, including string theory, time travel, parallel universes, and black holes."
His latest post? If I Were Obama: Four Things I'd Have Done Differently After Hearing About BP's Oil Spill.