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Johns Hopkins computer scientist part of team looking at why people refuse vaccines and how these reasons vary among communities.

An estimated 55 million to 105 million people in the United States suffer from foodborne illnesses each year, according to the Centers for Disease Control and Prevention (CDC), resulting in costs of $2-$4 billion annually.

The most tweeted peer-reviewed articles published between 2010 and 2012, and the trends associated with their social media success, have been identified by Stefanie Haustein at the University of Montreal's School of Library and Information Science.

If you think keeping up with what's happening via Twitter, Facebook and other social media is like drinking from a fire hose, multiply that by 7 billion — and you'll have a sense of what Court Corley wakes up to every morning.