Horizon

The Forever Fuel

1979-02-26

In Search of Pegasus

1979-03-05

The Keys of Paradise

1979-03-12

Sweet Solutions

1979-03-19

Bronze Age Blast-Off

1979-03-26

A Mediterranean Prospect

1979-04-09

Elements of Risk

1979-04-23

Mr. Ludwig's Tropical Dreamland

1979-04-30

Where Nothing Happens Twice

1979-05-07

Journey Through the Human Body

1979-05-14

The Fight to Be Male

1979-05-21

The Robots Are Coming

1979-05-28

Mexican Oil Dance

1979-09-24

Tracks on the Oregon Trail

1979-10-01

The Race to Reshape Cars

1979-10-08

Dragnet for Diabetes

1979-10-15

The Lost Waters of the Nile

1979-10-22

Survival of the Fastest

1979-10-29

A Touch of Sensitivity

1979-11-05

A Treasury of Trees

1979-11-12

Darkness Visible

1979-11-19

Uranium Goes Critical

1979-12-03

The Fat in the Fire

1979-12-10

Decade

1979-12-17