| Addiction Now Defined As Brain Disorder, Not Behavior Problem LiveScience Staff Addiction is a chronic brain disorder and not simply a behavior problem involving alcohol, drugs, gambling or sex, experts contend in a new definition of addiction, one that is not solely related to problematic substance abuse. |
| Weird! Our Universe May Be a 'Multiverse,' Scientists Say by Clara Moskowitz, LiveScience Senior Writer Is our universe just one of many? While the concept is bizarre, it's a real possibility, according to scientists who have devised the first test to investigate the idea. |
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