Less is more in this week of flash fiction - very, very short stories - by Tania Hershman, prize-winning exponent of this burgeoning literary form. Just what colour is an electron? How do you count a neutrino? And can the world's most-Googled stars resist the greatest of all temptations? Find out in today's stories: Like Owls We Keep The Wall Between Us As We Go The Painter And The Physicist Sweet Music Read by Nicola Walker and Tom Goodman-Hill. Producer: Jeremy Osborne A Sweet Talk Production for BBC Radio 4.