Sixty years ago Cambridge scientists Francis Crick and James Watson showed the world their discovery of the structure of DNA - the building blocks of all life on Earth.
Now a there's a new memorial in Cambridge to Francis Crick, who died in 2004. It was unveiled by his former research partner James Watson.
Click below to watch a report from ITV News Anglia's Claire McGlasson:
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Mostly dry and bright although much cooler on Monday.
Dry and bright to start, turning cloudier with rain later
Heavy showers quickly clearing leaving a sunny morning