Study finds online interest in sex rises at Christmas, with more births nine months later


First global analysis of human birth-rate cycles reveals that post-holiday ‘baby boom’ persists across cultures, hemispheres.

Informatics/CNS-PhD student Ian Wood and CNS-NRT Professors Luis Rocha and Johan Bollen in collaboration with Joana Sá, used Data Science and Computational Social Science methods to demonstrate that "Human Sexual Cycles are Driven by Culture and Match Collective Moods."

See full article at IU News and media coverage in many venues such as The Independent, Publico, ScienceDaily,, DailyMail, The Hindustan Times, etc.

Watch a short video about the research