A new form of DNA may help treat cancer, new understandings about ancient civilizations, and the important role of happiness in health. Chicago Tonight's science guy Neil Shubin talks about those stories, and his own upcoming research in the Arctic.

Are you surpised to learn that happiness leads to a longer life?Watch more Scientific Chicago segmentsNorthwestern University: A New Form of DNAOriental Institute: Origins of Egyptian CivilizationUniversity of Illinois at Urbana-Champaign: Happiness and HealthUniversity of Chicago and Field Museum: Emerging Pathogens ProjectMore on the Emerging Pathogens Project