Dark Matter

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Understanding the nature of the universe has led many scientists to question the fundamental principles on which science itself is built. Many scientists from a variety of disciplines are now engaged in trying to understand the nature of dark matter and dark energy. These mysterious concepts make up most of the known universe, and yet very little is known about them. Scientists tracing the first light emitted after the Big Bang tells us there is more dark energy than previously thought, And, we meet the researchers involved in modelling the universe of the future. Also, how can the particle physics research at CERN help solve the mystery of dark matter? And, in the US we look at how data visualisation is playing a key part in interpreting these difficult scientific concepts. (Photo credits: ESA, BBC, NASA)