Episodes

Episode 1

In his first Christmas Lecture, Dr Peter Wothers explores what the alchemists knew about the air we breathe.

Episode 2

Can water really be magical?

Episode 3

In his final Christmas Lecture, Dr Peter Wothers explores the elements within the earth.

Lecture 3 - Earth: The Philosopher’s Stone

For centuries alchemists have tried to turn base metals into gold. But is such a feat even possible? In his final Christmas Lecture, Dr Peter Wothers explores the elements within the earth and discovers just how difficult it is for chemists to extract the planet’s greatest treasures. He discovers how our knowledge of the elements can allow us to levitate, turn carbon dioxide into diamonds and maybe, just maybe, turn lead into gold.

 

Peter is joined by Nobel prize-winning chemist Professor Sir Harry Kroto and together they find out whether a member of the audience is worth their weight in gold and what happens when you set fire to a diamond.

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for BBC