BBC Radio 4 - In Our Time

The Earth's Core

Melvyn Bragg and guests discuss the Earth's core.

Melvyn Bragg and his guests discuss the work of the 18th-century writer Fanny Burney.

Melvyn Bragg and his guests discuss Matteo Ricci's 16th-century travels in Ming China.

Melvyn Bragg and his guests discuss the ancient Greek poet Sappho.

Melvyn Bragg and his guests discuss the California Gold Rush of the 1850s.

Melvyn Bragg and his guests discuss the scientific achievements of the Curie family.

Melvyn Bragg and his guests discuss the medieval Islamic thinker Al-Ghazali.

Melvyn Bragg and his guests discuss dark matter, the 'missing mass' of the universe.

Melvyn Bragg and his guests discuss the epic Anglo-Saxon poem Beowulf.

Melvyn Bragg and his guests discuss the history and significance of eunuchs.