SCIENCE-ENVIRONMENT-GENETICS-DNA-FILES

(FILES) Combination picture shows US geneticist James Watson (L) on May 8, 2008 in New York and British biophysicist Francis Harry Compton Crick on April 23, 1993 in Paris. On April 25, 2013 will be 60 years since Francis Crick and James Watson published their paper unveiling the structure of DNA, the double-helix genetic code for life. AFP PHOTO / STAN HONDA – DANIEL MORDZINSKI