Protein comparisons proposed in 1960s for tracking evolution
Excerpt from the March 20, 1965, issue of Science News Letter

PRIMATE PROTEINS
Flickr/Duke University Archives (CC BY-NC-SA 2.0)
Excerpt from the March 20, 1965, issue of Science News Letter
PRIMATE PROTEINS
Flickr/Duke University Archives (CC BY-NC-SA 2.0)