S11 · E31

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S11 · E31

The Neglected Harvest

Dec 16, 19741h

Horizon investigates the developments and research in forestry which may now help to overcome shortage of timber.

‹ E30 All episodes E32 ›

Episodes

Pedal Power

Feb 4, 1974 · 1h

S11 · E06

The Writing on the Wall

Feb 11, 1974 · 1h

S11 · E07

Where Did the Colorado Go?

Feb 18, 1974 · 1h

S11 · E08

The Future Goes Boom

Mar 4, 1974 · 1h

S11 · E09

Fusion: The Energy Promise

Mar 11, 1974 · 1h

S11 · E10

The First Ten Years

Apr 22, 1974 · 1h

S11 · E11

This Yankee Dodge Beats Mesmerism Hollow

Apr 29, 1974 · 1h

S11 · E12

The Hunting of the Quark

May 6, 1974 · 1h

S11 · E13

A Noah's Ark for Europe

May 13, 1974 · 1h

S11 · E14

Bridges: When It Comes to the Crunch

Jun 3, 1974 · 1h

S11 · E15

Search for Life

Jun 10, 1974 · 1h

S11 · E16

The Secrets of Sleep

Jun 10, 1974 · 1h

S11 · E17

Who Needs Skills?

Jun 24, 1974 · 1h

S11 · E18

Hills of Promise

Jul 1, 1974 · 1h

S11 · E19

The Race for the Double Helix

Jul 8, 1974 · 1h

S11 · E20

The Immigrant Doctors

Jul 15, 1974 · 1h

S11 · E21

Mines, Minerals and Men

Jul 22, 1974 · 1h

S11 · E22

What Price Steak?

Jul 29, 1974 · 1h

S11 · E23

Listen and Be Loyal

Aug 5, 1974 · 1h

S11 · E24

Adam or Eve?

Aug 12, 1974 · 1h

S11 · E25

An Unholy Scramble

Sep 2, 1974 · 1h

S11 · E26

Do as You Are Told

Oct 28, 1974 · 1h

S11 · E27

The First Signs of Washoe

Nov 4, 1974 · 1h

S11 · E28

The Other Way

Nov 11, 1974 · 1h

S11 · E29

The Greatest Advance Since the Wheel?

Nov 25, 1974 · 1h

S11 · E30

Joey

Dec 9, 1974 · 1h

S11 · E31