Lunchtime Lecture: Latitude with Nicholas Crane

In 1735, 12 men boarded ships bound for South America with the mission to discover the true shape of the Earth. Beset by egos and disease, storms and earthquakes, mutiny and murder, they struggled for ten years to reach the single figure they sought. Award-winning writer, geographer and broadcaster Nicholas Crane presents this epic story of survival and science.

Twitter: @nicholascrane