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Record-breaking global temperatures are accelerating Greenland ice melt at an alarming rate. Professor of glaciology Alun Hubbard has witnessed the melt first hand. He tells us how the ice sheet is being destabilised and what this could mean on a human level.

Also, how safe are Japanese plans to dispose of nuclear waste from the Fukushima accident? We get reassurance from molecular pathology expert, Professor Gerry Thomas.

And last week was a big one for cosmology news. We catch up on science behind the gravitational hum that permeates the Universe with astrophysicist with Dr Chiara Mingarelli. And we hear about the traces of ghostly neutrinos within our Galaxy from the principal investigator of the world鈥檚 largest neutrino detector, Professor Francis Halzen.

Presenter: Roland Pease
Producer: Ella Hubber

(Photo: Meltwater forming on top of the Russell Glacier, Greenland)