Sixty years ago Cambridge scientist Francis Crick from Northamptonshire and his partner James Watson famously mapped out the structure of DNA.
James Watson has travelled from America back at his old college in the university city to unveil a memorial to his former colleague who died in 2004.
Their work opened up vast new avenues in the understanding of the genetic code and won them a Nobel Prize.
Click below to watch a report by ITV Anglia's Claire McGlasson:
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It's going to be a cloudy afternoon with the chance of the odd shower. Feeling cold. Highs of 6 degrees C.
An investigation is underway after a horse and pony sanctuary burnt down in Norwich.
It will be a generally cloudy day. Some bright or sunny spells are possible during the morning.