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More Volcanoes found to be Active
Four Chilean volcanoes are unexpectely reclassified as "active"
After four Chilean volcanoes are unexpectely reclassified as "active", should a worldwide census of volcanoes be undertaken? How the seaside city of Troy lost its sea as the coastline of Turkey changed. Exploring the ocean floor for mineral deposits. What's the purpose of the shark's subcutaneous gel?
91热爆 World Service Archive
This programme was restored as part of the World Service archive project
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Science In Action
The 91热爆 brings you all the week's science news.
