Human evolution: enhancing the brain.
by Enard, W. (2015)
Curr Biol 25, R421-423. http://www.ncbi.nlm.nih.gov/pubmed/25989083
Humans have tripled their brain size since they split from the chimpanzee lineage. A new paper provides for the first time functional evidence that an enhancer contributed to this expansion by accelerating the cell cycle in neural progenitors.