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'Heat of hell': Saudi sun challenges hajj pilgrims

Mobile phones are overheating and the pavement feels like a frying pan but for Abdul al-Assad, intense desert heat is all part of the hajj pilgrimage in summertime Saudi Arabia.

Phone communication spurs a cascading effect on social influence

Social influence from phone communications is significant, reaching as far as four degrees of separation from the original caller, according to a new study from researchers at The University of Texas at Austin, who developed ...

Wireless sensor enables real-time spoilage alerts on food

Food waste and food-borne diseases are among the most critical problems urban populations face today. They contribute to greenhouse emissions tremendously and amplify economic and environmental costs. Since food spoilage ...

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