Researchers at the Massachusetts Institute of Technology's Civil and Environmental Engineering department looked at the 40 largest U.S. airports and figured out which ones would be the most likely to spread a disease in the event of an outbreak in the cities they serve.

CNN: Researchers list top 10 airports for spreading disease

Simon Washington, a civil-engineering professor at Queensland University of Technology in Brisbane, Australia, co-wrote a study for the Arizona Department of Transportation in 2005 that cited other work showing that extending yellow-light intervals can reduce red-light running by 50% to 70%.

WSJ: Hard to Put Red-Light Violations Under a Lens

The Forum on Science, Technology and Innovation for Sustainable Development is organized by the International Council for Science (ICSU) in partnership with UNESCO, the World Federation of Engineering Organizations (WFEO), the International Council of Social Sciences, the Brazilian Department of Science, Technology and Innovation and the Academy Brazilian Science.

UNESCO: THEMES