S11 · E24

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S11 · E24

Adam or Eve?

Aug 12, 19741h

This episode of Horizon investigates the role that hormones play in the stages of mammalian sexual development.

‹ E23 All episodes E25 ›

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

The Neglected Harvest

Dec 16, 1974 · 1h

S11 · E32

How on Earth Did They Do That?

Dec 23, 1974 · 1h

S11 · E33

The Lysenko Affair

Dec 30, 1974 · 1h

Adam or Eve?

Episodes

A Matter of Self-Defense

Bird Brain - The Mystery of Bird Navigation

Never Too Late to Learn

The Great Fish Hunt

Pedal Power

The Writing on the Wall

Where Did the Colorado Go?

The Future Goes Boom

Fusion: The Energy Promise

The First Ten Years

This Yankee Dodge Beats Mesmerism Hollow

The Hunting of the Quark

A Noah's Ark for Europe

Bridges: When It Comes to the Crunch

Search for Life

The Secrets of Sleep

Who Needs Skills?

Hills of Promise

The Race for the Double Helix

The Immigrant Doctors

Mines, Minerals and Men

What Price Steak?

Listen and Be Loyal

Adam or Eve?

An Unholy Scramble

Do as You Are Told

The First Signs of Washoe

The Other Way

The Greatest Advance Since the Wheel?

Joey

The Neglected Harvest

How on Earth Did They Do That?

The Lysenko Affair