The Longitude Prize is a five-year challenge with a £10 million prize fund. It commemorates the 300^th anniversary of the Longitude Act of 1714, the first British challenge prize, to determine longitude at sea. It aims to help solve the problem of AMR by conserving antibiotics for future generations. It is looking to award one prize of £8 million to a team that can develop a transformative, accurate, affordable, rapid point-of-care diagnostic test that is easy-to-use, anywhere in the world.