But James Watson and Francis Crick's claim was a valid one, for they had in fact discovered the structure of DNA, the chemical that encodes instructions for building and replicating almost all ...

What did the duo actually discover? Many people believe that American biologist James Watson and English physicist Francis Crick discovered DNA in the 1950s. In reality, this is not the case.

During her time at King’s College, Rosalind fascinatingly discovered the density of DNA. Furthermore, she learned that DNA molecules were in a helical conformation. She also noticed that when ...