Andrew Dilnot explores the statistics involved in enfranchisement.
What is the truth behind the mermaid story? Janet Ellis investigates.
4/5 David Livingstone aims to solve the mystery of the Nile's source once and for all.
24/30 What we can see is only a fraction of matter in the cosmos. Heather looks at dark matter.
Melvyn Bragg and his guests discuss the history and significance of eunuchs.
Andrew Dilnot explores the numbers around building the state.
3/5 Samuel Baker and his mistress Florence go in search of Lake Albert.
23/30 Heather Couper looks at the discovery of quasars, huge black holes a long way from Earth.
Andrew Dilnot charts the history of the British state through its numbers.
2/5 Burton is too weak to travel so Speke heads for the Rusizi River alone.
View all (24)