Mariana Sá Viana

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The 10 Best Cities In America

From the "smartest," and "fittest" to the "best place to meet single men." PureWow ranks the 10 best cities in America. Did your hometown make the cut?<p><b>Smartest city: Ithaca, New York</b><p>According to Lumosity, a polling company that seeks to understand human intelligence, Ithaca, New York, tops the list …

San Francisco

Amazing video: Extreme surfers in the Arctic | CNN Travel

Out of this world: The best selfies from space - CNN.com

He may be best known for joining Neil Armstrong on the historic Apollo 11 moon landing in 1969, but that wasn't the only time Buzz Aldrin had a hand in history. Three years before the moon landing, while on the Gemini 12 mission in 1966, he unknowingly made history when he snapped the "first space …

How "Star Wars" Influenced Jibo, The First Robot For Families

Jibo creator Cynthia Breazeal explains why, despite not having a face, her newest creation is the most “human” robot yet.<p>Cynthia Breazeal traces her interest in robotics to the first time she saw <i>Star Wars</i> in theaters as a 10-year-old. “Your jaw just drops,” she told <i>Fast Company</i>. “In many ways those …

The most promising technology for cleaning up ocean plastic is a giant wheel

<i>This post has been updated.</i><p>There are at least one million tons of plastic in the ocean. Creative solutions abound, but few strike marine conservation experts as practical or praise-worthy. Too often, says ecologist Andrew David Thaler, projects like floating plastic-filter machines amount to little …

Pollution