John Rennie is an American science writer. From 1994 to 2009, he was the editor-in-chief of the Scientific American magazine. He is the host of Hacking The Planet for The Weather Channel.
Biography：John Rennie is an American science writer. From 1994 to 2009, he was the editor-in-chief of the Scientific American magazine. He is the host of Hacking The Planet for The Weather Channel.
