Can anyone in space hear you scream? Scientists try to find out |

OK, the big question I have here is: why? Also, isn’t space a vacuum and wouldn’t that prevent a scream from being heard, regardless of how loud or awful it might be?

http://news.cnet.com/8301-17852_3-57541797-71/can-anyone-in-space-hear-you-scream-scientists-try-to-find-out/