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Ocean Blues - history of decline
How different is the abundance of life in the seas today, compared to 50, 100 and 500 years ago? What is the ecological impact of humanity's decimation of large sea creatures? The scale of the disappearance of whales and other large fish and amphibians have been profound.
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91热爆 World Service Archive
This programme was restored as part of the World Service archive project
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The eclipses, spacecraft and astronauts changing our view of the Universe
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Discovery
Explorations in the world of science.
