RESEARCH ROUNDUP

• University of Calgary professors have invented a very hot bra—which might help women after heart surgery.
• The Beatles were right--sort of. Money will buy happiness, but only very fleeting happiness, concludes a new study by a University of Southern California professor, the Daily Trojan reports.
• Is "pre-gaming" a safe way to drink or a much less safe way? A Pennsylvania study is trying to find out, the Cavalier Daily reports.

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