Definition of evidence for Students. 1  1 : a sign which shows that something exists or is true : indication They found evidence of a robbery. 2  2 : material presented to a court to help find the truth about something.
Francis Crick and his American colleague, James Watson, discovered the double helix structure of DNA. For this fundamental finding Francis, James and Maurice Wilkins were awarded the Nobel Prize for Physiology or Medicine in 1962.nravelling the double helix Stories The discovery of the structure of DNA by James Watson and Francis Crick in 1953 is one of the most famous scientific discoveries of all time. Unravelling the double helix Stories.
This information is read using the genetic code, which specifies the sequence of the amino acids within proteins. The code is read by copying stretches of DNA into the related nucleic acid RNA, in a process called transcription. The structure of DNA was first discovered by James D. Watson and Francis Crick.