DNA - Episode 1 of 5: The Secret of Life - PBS Documentary
The discovery of double-helix structure of DNA is to science what Mona Lisa is to painting. It has been called the single biggest discovery of all times. But it was not just stumbled upon - it was a race. Specifically, it was a race between two teams of young scientists working in Britain. Rosalind Franklin and Maurice Wilkins were trying to identify the structure by studying X-ray diffractions of the DNA molecule. But Jim Watson and Francis Crick studied a little bit of everything -- includin