The Earth's climate is a complex system. To make things easier scientists sometimes imagine a planet entirely covered in water. Watch some beautiful simulations of clouds and rain on the Aquaplanet!
El Niño is a climate event without equal, causing droughts, floods, hurricanes and typhoons around the globe. How can we understand and predict it?
During World Mathematical Year 2000 a sequence of posters were displayed month by month in the trains of the London Underground aiming to stimulate, fascinate - even infuriate passengers! Keith Moffatt tells us about three of the posters from the series.
