| CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. | What's up with the brain hats? | | Pink and gray brain hats dotted the crowds at the March on Science in Washington, becoming one of the symbols of the march's message. |
| The beautiful parts of Earth few people get to see | | Photographer Mario Tama didn't think he would see much in the way of great scenery when he flew with NASA scientists over Greenland and Canada as part of Operation IceBridge, a project to monitor Earth's polar ice. But he was blown away by the beauty. |
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