Trapped in social media 'echo chambers'

Social media has become a go-to platform for people to express their opinions on the hot topics of the day, from the U.S. presidential campaign to the correct color of a dress.

FBI chief urges 'robust debate' on encryption

FBI Director James Comey called Monday for public debate on the use of encrypted communications, saying Americans may not realize how radical groups and criminals are using the technology.

Robot Snowden promises more US spying revelations

Former intelligence contractor Edward Snowden emerged from his Russian exile Tuesday in the form of a remotely-controlled robot to promise more sensational revelations about US spying programs.

Obama meets privacy board on spy programs

US President Barack Obama Friday meets members of a privacy watchdog board, finally fully active after years of delays, to discuss a furor over US spy agency Internet and telephone snooping.

First risk assessment of shale gas fracking to biodiversity

Fracking, the controversial method of mining shale gas, is widespread across Pennsylvania, covering up to 280,000 km² of the Appalachian Basin. New research in the Annals of the New York Academy of Sciences explores the ...

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