Websites try to fight nasty comments, anonymity

Mix blatant bigotry with poor spelling. Add a dash of ALL CAPS. Top it off with a violent threat. And there you have it: A recipe for the worst of online comments.

UC San Diego shake table, robot win Best of What's New awards

The biggest outdoor shake table in the world and a robot designed to move along utility lines have received Best of What's New awards from Popular Science, the world's largest science and technology magazine. The two projects ...

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