Horizon

A Matter of Self-Defense

1974-01-07

Bird Brain - The Mystery of Bird Navigation

1974-01-14

Never Too Late to Learn

1974-01-21

The Great Fish Hunt

1974-01-28

Pedal Power

1974-02-04

The Writing on the Wall

1974-02-11

Where Did the Colorado Go?

1974-02-18

The Future Goes Boom

1974-03-04

Fusion: The Energy Promise

1974-03-11

The First Ten Years

1974-04-22

This Yankee Dodge Beats Mesmerism Hollow

1974-04-29

A Noah's Ark for Europe

1974-05-13

Bridges: When It Comes to the Crunch

1974-06-03

Search for Life

1974-06-10

The Secrets of Sleep

1974-06-10

Who Needs Skills?

1974-06-24

Hills of Promise

1974-07-01

The Race for the Double Helix

1974-07-08

The Immigrant Doctors

1974-07-15

Mines, Minerals and Men

1974-07-22

What Price Steak?

1974-07-29

Listen and Be Loyal

1974-08-05

Adam or Eve?

1974-08-12

An Unholy Scramble

1974-09-02

Do as You Are Told

1974-10-28

The First Signs of Washoe

1974-11-04

The Other Way

1974-11-11

The Greatest Advance Since the Wheel?

1974-11-25

Joey

1974-12-09

The Neglected Harvest

1974-12-16

How on Earth Did They Do That?

1974-12-23

The Lysenko Affair

1974-12-30