US moves to tackle scourge of 'robocalls'

"Hello? Who's calling?" For many Americans these days, the call is coming from a "bot" or automated program that seeks to trick them into giving up money or important personal data.

Toxic neighborhoods and social mobility

How much does growing up in a healthy and cohesive community, or lack thereof, contribute to later long-term economic and social success in adulthood? Quite a lot, it would seem. Two Harvard sociologists, Robert Manduca and ...

Video: Using light to move wireless data faster

"We explore a range of projects that turn light into a powerful medium for data communication and object or behavioral sensing," says Xia Zhou, an associate professor of computer science. "Our recent projects include visible ...

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