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The wisdom of the crowd



The Royal Society, London, 6-9 Carlton House Terrace, London, SW1Y 5AG


Join Professor Marcus du Sautoy OBE FRS for a night of interactive experiments exploring the power of crowds in answering certain numerical questions.

Can the wisdom of the crowd help us estimate the number of sweets in a jar?

From guessing the weight of a cow or the number of sweets in a jar, there is evidence that the average of a crowd's guesses can deliver surprisingly accurate results.

Professor du Sautoy will carry out a number of live interactive quizzes and experiments to test these ideas and look at how these principals can be harnessed for citizen science projects.

This event will be hosted in partnership with the University of Oxford as part of the AHRC's Constructing Scientific Communities project. Visit to discover more.

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Attending this event

  • This event will involve interactive elements - you will need a smartphone in order to participate
  • Free to attend
  • No registration required
  • Seats allocated on a first-come, first-served basis
  • Doors open at 6.00pm
  • Travel and accessibility information

For all enquiries, please contact

The wisdom of the crowd The Royal Society, London 6-9 Carlton House Terrace London SW1Y 5AG UK