Discovery Episodes Available now
Water pollution in Lagos
How Nigeria's growing population is placing a strain on its clean water supply
Keeping Los Angeles hydrated
How Los Angeles gets its water supply, despite being in a near-desert region
Deep Impact
How might the Earth protect itself against an asteroid strike?
Marconi's legacy
A look at the story behind Guglielmo Marconi's success and his continuing legacy
Post Soviet Science - Cuba
What does the future hold in store for Cuban biotechnology and scientific research?
Post Soviet Science - Vietnam
What the future holds for science in Vietnam after the end of the war in 1975
Post-Soviet Science - Germany
How the reunification of East and West Germany affected scientific research
Post-Soviet science - USSR
A look at what has happened to scientific research in the former Soviet Union
The future of air travel
Today's aeronautical engineers attempt to define the next era of flight after Concorde
The train of the future
Special report on new train technology and the train's evolution