Nobel winner’s letter on DNA study for sale

It has been nearly 60 years since a pair of young scientists made a discovery that dramatically improved our understanding of genetics.

The double-helix structure of DNA was revealed by Francis Crick and James Watson in Cambridge University in 1953.

Now a detailed letter Crick wrote to his son soon afterwards is going up for auction, with proceeds going to research.

Al Jazeera’s Joanna Blundell reports.