By Martha Henry Fresh out of the University of Pennsylvania, Ravi Goyal was recruited by the National Security Agency (NSA) for its rapidly expanding Counter-Terrorism Unit. The year was 2002. Ravi went to work as an Applied Research Mathematician, using his exceptional math and computer skills to analyze how information flowed within and between terrorist networks.
Cell Phones & Sexual Networks
By Martha Henry Harvard AIDS Initiative (HAI) researchers are hoping to use data from cell phones to better understand sexual networks in Botswana villages.