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Horizon

Season 21 · Episode 10

Signs of the Apes, Songs of the Whales

0.01h 0mMarch 26, 1984

Horizon investigates the linguistic potential of non-human species.

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Episode 1The Intelligence Man
Episode 2Microworld!
Episode 3A New Green Revolution?
Episode 4Spies in the Wires
Episode 5Valley of the Inca
Episode 6The Conquest of Parasites
Episode 7Reflections on a River
Episode 8A Normal Face
Episode 9Prisoners of Incest
Episode 10Signs of the Apes, Songs of the Whales
Episode 11Professor Bonner and the Slime Moulds
Episode 12The Mind of a Murderer: The Case of the Hillside Strangler
Episode 13The Mind of a Murderer: The Mask of Madness
Episode 14A Cruel Inheritance
Episode 15The Malvern Link
Episode 16Contented Cows and Other Animals
Episode 17Picking Winners
Episode 18The Brain Puzzle
Episode 19Global Village
Episode 20Ivan
Episode 21A Mathematical Mystery Tour
Episode 22Supercharged