| CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. | Police: Iranian teen tried to emigrate | | His mother had been expecting him to arrive in Frankfurt and contacted authorities when he didn't show up. Police say it's unlikely that he was part of a terror group. |
| Gupta 'doubling down' | | It's been eight months since I last wrote about medical marijuana, apologizing for having not dug deeply into the beneficial effects of this plant and for writing articles dismissing its potential. I apologized for my own role in previously misleading people, and I feel very badly that people have suffered for too long, unable to obtain the legitimate medicine that may have helped them. |
| Russia lawmakers to discuss Crimea | | Confident that residents in Ukraine's southeastern Crimea region will approve a referendum to become part of Russia, Moscow is looking ahead to the next step. |
| Why are there so few clues? | | Flight 370 sent no distress call, maybe changed direction and seems to have left no trace. There are explanations, a veteran pilot says. |
| Looking for needle in haystack | | Every day the whereabouts of Malaysia Airlines Flight 370 remain a mystery, the search area grows, complicating rescue efforts. |
| Not a 'gateway drug' | | Dr. Andrew Kolodny discusses why he thinks science should be a big part of the conversation about marijuana legalization. |
| 'Our only hope' | | They've come from as far away as Australia and Canada, or as close as Oklahoma. |
| Your body on weed | | Dr. Sanjay Gupta explains how marijuana affects the brain and how pot can be used to treat certain conditions. |
| Medical pot and 'the entourage effect' | | There are more than 480 natural components in the cannabis plant. Scientists believe all of these likely exert some therapeutic effect, more than any single compound alone. |
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