Is DNA the Basis for all Life in the Universe? - a podcast by The Naked Scientists

This week: alien hunting! Life here on Earth uses DNA, but why, and would aliens be made of the same stuff? Plus, news of how your gut microbes are controlling your genes, a new way to fight phobias, and we get a sneak peek at where the first human colonists of Mars might live... Like this podcast? Please help us by supporting the Naked Scientists

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