| Using Twitter to predict the influence of lifestyle on health Feb 8th 2013, 16:00 Researchers showed last year how Twitter can be used to predict how likely it is for a Twitter user to become sick. They have now used Twitter to model how other factors -- social status, exposure to pollution, interpersonal interaction and others -- influence health. | | Satellite navigation system avoids traffic jams Feb 7th 2013, 16:49 Endlessly frustrated by congested roads, computer scientists have developed a satellite navigation system, GeoTNavi, which hooks into historical traffic data and current vehicle movements to find the shortest commute and avoid the traffic jams. | |