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Episode details

World Service,10 Jun 1999,23 mins

Will Spies ever use DNA to send Messages?

Science In Action

Available for over a year

New ways of encoding messages originally sent by Âé¶¹Éç broadcasts to French resistance fighters but this time Prof Carter Bancroft uses a DNA sequence on a microdot. The risk asteroids pose to Earth and how one amateur astronomer in Brazil is helping the professionals keep track of potentially dangerous near-Earth objects. How female ring-tail lemurs in Madagascar are the dominant ones in the troop.

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