Swiss researchers used cutting-edge techniques to create a foam gold that's 98 percent air. How useful could this material be in the real world?
Donald Trump is insisting he was right that thousands of Muslim-Americans in New Jersey celebrated 9/11, despite being confronted about the fact that there's almost no evidence to prove he's correct.
Colorado police arrested a suspect they say carried out a violent shooting spree, killing three, at a Planned Parenthood building in Colorado Springs on Friday. Photo: Reuters