Languages, and the people who use them, tend to favor using positive words over negatives, researchers find, and they've learned that's particularly true in Spanish.

“Experts at the University of Vermont and the MITRE Corporation went through volumes of text from all kinds of sources: books, the news, music lyrics, movie subtitles, and more, including some 100 billion words used on Twitter,UVM reports. Investigating 10 languages, they picked out the 10,000 most common words, then had native speakers rank these words on a nine-point happiness scale; "laughter," for instance, was rated 8.5, while "greed" came in at 3.06.”

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