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Horizon

Season 23 · Episode 15

Twice Five Plus the Wings of a Bird

0.01h 0mApril 28, 1986

Horizon researches how we acquire mathematical abilities in the first place.

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Episode 1Are You a Racist?
Episode 2Genesis
Episode 3Bitter Cold
Episode 4The Mould, the Myth and the Microbe
Episode 5Outbreak: The Microbe Masters the Mould
Episode 6Science...Fiction?
Episode 7The Children of Eve
Episode 8The New Face of Leprosy
Episode 9Hi-Tech à la Française
Episode 10In the Wake of HMS Sheffield
Episode 11AIDS: A Strange and Deadly Virus
Episode 12The Case of the Frozen Addict
Episode 13Nice Guys Finish First
Episode 14The Men Who Bottled a Cow
Episode 15Twice Five Plus the Wings of a Bird
Episode 16What Makes an Animal Smart?
Episode 17A Handful of Sugar with a Pinch of Salt
Episode 18Uranus Encounter
Episode 19Who Built Stonehenge?
Episode 21Battered Baby: From Generation to Generation
Episode 22Battered Baby: Breaking the Chain
Episode 23Doctors to Be