Horizon - Season 23 (1987)

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Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Watson and Crick race to find the structure of DNA before Linus Pauling, Maurice Wilkins, or Rosalind Franklin can find the key to unlocking the secret.

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Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.