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Discovery Episodes Available now
Counting creatures in Kazakhstan
The deserts of southern Kazakhstan support a surprising amount of life
Amateur astronomists
The important role of the worldwide army of amateur astronomers
Citizen Scientists
Sue Nelson joins the armies of volunteers who call themselves Citizen Scientists
Rebuilding New Orleans
A visit to New Orleans to see how the city is rebuilding its flood defences
Communication hardware
The communication hardware used to connect the world
The communications revolution
A look at the evolution of the radio
