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What do we find attractive in the faces of the opposite sex – and why do women apparently prefer men with more feminine faces? Cybenetics professor Kevin Warwick at Reading University has had himself microchipped to demonstrate the technology's sinister potential for control. Searching for Selma, Norway's mysterious monster in Lake Seljord. Cosmic rays that have fallen to Earth from quasars at the far side of the universe may be a new kind of particle.

Presenter: David Bellan.