Comparison of a Human and a Chimpanzee Brain Scale bar = 1 cm
(Image: Todd Preuss, Yerkes Primate Research Center)
CC BY 2.5
<i>Molecular Insights into Human Brain Evolution.</i> Bradbury J PLoS Biology 3/3/2005, e50 <a href="//doi.org/10.1371/journal.pbio.0030050" class="extiw" title="doi:10.1371/journal.pbio.0030050">doi:10.1371/journal.pbio.0030050</a>