Senior Science Editor News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> let's talk about this now with dan. he's a senior science editor at nationalgeographic.com. i want to start with this interview from geologist science guide from miami talking about what the rising ocean waters will do. >> by the midpart of the century, 2050, 2060, most of the barrier islands in the world are going to have to be evacuated. >> he's talking to our chad myers there, our meteorologist here at cnn. explain this timeline. why by midcentury? >> these are the low-lying places in the world where three feet of sea rise is, you know frk covering half the island. even a foot of sea lev...

>> his mother overcome with grief. fans asking if the game he loved contributed to his death. >> a hero throws a tackle in a walmart parking lot. the iraq war vet trying to stop a suspect with a knife who took a woman's purse. >> but up first, al qaeda unmasked. in just four hours, the world gets to see a massive stack of documents from osama bin laden's compound. for the last 12 months, the documents were analyzed by intelligence officials and this morning, at 9:00 a.m. eastern they'll be posted online. we're told the information includes digital, audio and video files, printed mate...