Top: Banksy painting ‘self-destructs’ after Sotheby’s sale

Bottom: Nobel Prize for Physics partly jointly-awarded to Donna Stickland for her ground-breaking contribution to the field of laser physics

Top: Police teach officers how to decipher youth language

Bottom: V&A Dundee Museum of Design opens, Saturday 15 September

Left: Billboard commission by The Alternative School of Economics launched at Phytology

Right: As much as 90% of Brazil’s National Museum destroyed in fire

Left: Facebook to rank users on trustworthiness scale

Right: Tourist forced to return pebbles to Cornwall coastline to avoid £1000 fine