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Did this Dinosaur have Feathers, Frills or Bristles?
Sinosauropteryx and the feather question; pheronomes and pest control; developing a cystitis vaccine; designing universes with the Cosmos supercomputer; how seeing helps you to hear.
BBC World Service Archive
This programme was restored as part of the World Service archive project
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Science In Action
The BBC brings you all the week's science news.
