USA Today :: Tech

Do we live in a giant cosmic bubble?

Earth may be trapped in an abnormal bubble of space-time that is particularly void of matter. Scientists say this condition could ... <p><a href="http://rssfeeds.usatoday.com/~a/usatoday-TechTopStories?a=IMUiDX"><img src="http://rssfeeds.usatoday.com/~a/usatoday-TechTopStories?i=IMUiDX" border="0"></img></a></p><img src="http://rssfeeds.usatoday.com/~r/usatoday-TechTopStories/~4/407409024" height="1" width="1"/>