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(Repeats not indicated)

2.00 BST The Arch Never Sleeps
How massive structures like Gothic cathedrals, which were built using very little mortar, have survived for thousands of centuries.

2.30 BST Just Seventeen: The Geometry of Patterns
The limitless patterns on wallpaper are mathematically reduced to 17.

3.00 BST The Vernacular Tradition
In the Middle Ages, Hindu-Arabic numerals spread to Europe, making new calculation methods available to merchants and businessmen.

2.30 BST A Life of Time
An exploration of the revolutionary ideas that made an unknown patent clerk into the most famous scientist of the 20th century.

3.00 BST Breathing Deeply
Trying to survive at great height or great depth.

3.30 BST The Challenge - to Rebuild the Human Body
A new generation of artificial limbs.

4.00 BST After the Genone
Will cancer become merely a bothersome complaint?

5.30 BST What Have the 90s Ever Done for Us
Science in the 1990s.