First up, Science Report. Our top science award, the Rutherford Medal goes to. Victoria Universitys Prof Rod Downey! Hes a pretty flash mathematician whose insights have made a lot of things work better. Its all to do with algorithms and computability. He explains in plain English.Then its Astronomy with Grant Christie. He takes a look at A new mission to Mercury and why it takes years to get there. Oxygen rich water under Mars? Plus, Stardomes new big-science collaboration on supernovas.And, Hubble is fit and working again! Pictured below, the incredible Hubble deep-field view which revealed a myriad of distant galaxies from just a tiny little black spot in the sky. Weekend Variety Wireless with Graeme Hill, 8pm - midnight Saturdays and Sundays, on RadioLIVE and streaming live to the Rova app on Android and iPhone.