The Zoo has been following the work of the Zoological Society of London and this evening it looks at the ground-breaking work being done at the Bedfordshire attraction involving chimps and heart surgeons.
Click above to watch ITV News Anglia's Olivia Paterson report
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The Schlumberger Gould Research Centre in Cambridge has just been granted Grade II* listed status.
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Cloudy with outbreaks of rain through the day, perhaps heavy at times. Some drier and brighter spells