Prehistoric
Browse the Prehistoric era within the In Our Time archive.
Megaliths
Melvyn Bragg and guests discuss what we know about ancient stones placed in the landscape.
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The Fish-Tetrapod Transition
Melvyn Bragg and guests discuss one of the great stages in the evolution of life on Earth.
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Homo erectus
Melvyn Bragg and guests discuss the two-million-year span of our most adaptable ancestor.
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Corals
Melvyn Bragg and guests discuss the simple animals which form the now-threatened reefs.
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The Evolution of Crocodiles
Melvyn Bragg and guests discuss the land animals of the Triassic that dominated dinosaurs.
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The Late Devonian Extinction
Melvyn Bragg and guests discuss one of the five major extinction events on Earth so far.
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Cave Art
Melvyn Bragg and guests discuss how and why Stone Age people decorated caves with images.
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The Evolution of Horses
Discussion of the origin, migration, extinction and domestication of horses.
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Doggerland
Melvyn Bragg and guests discuss the Stone Age human habitats now covered by the North Sea.
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Feathered Dinosaurs
Melvyn Bragg and guests discuss which dinosaurs were feathered, and their links to birds.
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The Paleocene-Eocene Thermal Maximum
Melvyn Bragg and guests discuss the highest global temperatures in the last 65m years.
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Ageing the Earth
Melvyn Bragg examines the age of the Earth and its division into four great Eons.
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Antarctica
Melvyn Bragg and guests discuss the history of the Antarctic and its exploration.
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Archaeology and Imperialism
Melvyn Bragg and guests discuss the link between archaeology and imperialism.
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Black Holes
Melvyn Bragg and guests discuss Black Holes, the ghosts of massive stars.
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Chance and Design
Melvyn Bragg explores the question and theories of a grand design in the universe.
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Ediacara Biota
Melvyn Bragg and guests discuss the Ediacara Biota.
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Fossils
The significance of fossils in history and the impact of techniques in understanding them.
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Human Evolution
Melvyn Bragg and guests discuss the six million year old story of human evolution.
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Human Origins
Melvyn Bragg and guests discuss the evolution of the human species.
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Mammals
Melvyn Bragg and guests discuss the rise of the mammals which began 65 million years ago.
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The Cambrian Period
Melvyn Bragg examines the Cambrian period, when there was an explosion of life on Earth.
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The Earth's Origins
Melvyn Bragg discusses the origins of the Earth.
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The Geological Formation of Britain
Melvyn Bragg and guests discuss the geological formation of Britain.
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