Geologist Farouk El Baz inspired a whole new dimension to earth observation with his theory that water lay beneath the Sahara. Satellite imagery revealed beneath the sands lay the traces of ancient lakes and the courses of the rivers that fed them.
This media requires JavaScript to be turned on (Show me how) and Adobe Flash Player to be installed (Show me how).
Story: The Waters of the Sahara
Duration: 6:02
Geologist Farouk El Baz inspired a whole new dimension to earth observation with his theory that water lay beneath the Sahara. Satellite imagery revealed beneath the sands lay the traces of ancient lakes and the courses of the rivers that fed them.
See more stories like this
-
Mission AbortedDuration: 3:53
New Wave of SpyplaneDuration: 2:26
Brave New WorldDuration: 3:00
-
Looking into the OceansDuration: 4:15
Final PreparationsDuration: 5:45
Water WarDuration: 1:45
-
Satellite HarvestDuration: 4:45
Life-blood of an Alien CraftDuration: 4:28
Forecasting from SpaceDuration: 4:55
-
Skynet 5CDuration: 3:26
The Space RaceDuration: 5:17
Photographing the EarthDuration: 2:38
-
The Final CountdownDuration: 1:19
Other stories
- Under Pressure Duration: 4:19
Tea-time Britain Duration: 4:51 
An Oxford Story Duration: 4:45 
- Disappearing Village Duration: 4:50
Factories to Football Duration: 5:52 
Introduction: Britain from Above Duration: 2:16 
- Filming Glastonbury Duration: 3:13
A History of Farming Duration: 3:10 
Taxis in London Duration: 1:22 
