Material: Human impact on flooding, Van Gogh’s fading paint, Tempel 1, Solar flare 17 Feb 11

Scientists have discovered that green house gases have significantly increased the risk of extreme rainfall. Dr Richard Allan and Professor Mark Maslin join Quentin to explain more. X-ray analysis has been used to explain why the bright yellows in his paintings have faded to brown over time.... Quentin talks to Professor Koen Janssens, from the University of Antwerp, who led the research. On February 14th NASA’s Stardust-NExT mission hooked up with the Tempel 1 Comet, which back in 2005 had been subject to a vicious and unprovoked assault by another NASA probe, Deep Impact. Quentin talks to Professor Alan Fitzsimmons from Queen’s University, Belfast. The largest solar flare in four years has erupted from the sun. The eruption, called an X-flare is the strongest type and can affect communications on Earth. Dr Alan Thompson from the BGS joins Quentin to explain more.