On Start the Week Andrew Marr looks back at lost heroes of science, and forward to cutting-edge experiments. Saiful Islam, Professor of Materials Chemistry, recreates Michael Faraday's famous 19th century experiments for the Royal Institution's Christmas lectures before exploring the latest materials being invented to boost clean energy. More Christmas fare as Brian Cox attempts to explain the birth of the entire universe with music, dance and comedy. Andrea Wulf celebrates the Victorian naturalist, geographer and explorer Alexander von Humboldt, whose name although mostly forgotten lives on through his research - from the Humboldt Current to Humboldt penguins. Michael Lewis has turned his attention from the financial crisis and his bestselling Liar's Poker and The Big Short to the birth of the Nobel-prize winning theory of behavioural economics, and the remarkable scientific partnership at its heart.