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The philosopher AC Grayling presents a series of debates challenging established scientific theories.

Astronomers in the United States have detected two enormous bubbles of energy spilling out from the centre of our galaxy, the Milky Way. David Whitehouse is an author and space scientist.

Detectives in the UK are going to be given formal training in how to use social media as part of their police work. Andrew Kay is Head of Investigative Skills at the National Policing Improvement Agency.

In this two-part documentary Nick Rankin reports from Alaska during the greatest wild salmon run in the world and joins commercial and subsistence fishermen who live off this natural resource.

Could wireless electricity be a reality soon?

The man who wrote the first ever computer virus

Mobile internet connection from almost any location

New technology for predicting crowd behaviour launches

Why New Yorkers are sending texts to river wildlife

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