Joe Barbera, half of the Hanna-Barbera animation team, produced memorable cartoons like Yogi Bear and the Flinstones, passed away at 95. NewsHour reports on the man behind the cartoons and his beloved characters.

With more than 130 exhibits from scientists, researchers and inventors around the globe, NextFest brings its vision of a new world's fair to New York City. The NewsHour's economics correspondent Paul Solman reports on the high-tech tools and toys of…

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