Definition of evidence. 1a : an outward sign : indicationb : something that furnishes proof : testimony; specifically : something legally submitted to a tribunal to ascertain the truth of a matter.
Fifty years ago, James Watson and Francis Crick announced to patrons in a Cambridge pub that they had just discovered the secret of life. Their discovery was that the DNA double helix explained how cells divide and develop.ifty years ago, James Watson and Francis Crick announced to patrons in a Cambridge pub that they had just discovered the secret of life. Their discovery was that the DNA double helix explained how cells divide and develop.
James Watson, Francis Crick, Maurice Wilkins, and Rosalind Franklin These four scientistsâWatson, Crick, Franklin, and Wilkinsâcodiscovered the double-helix structure of DNA, which formed the basis for modern biotechnology.