Genetic Knockout Ferret Offers Clues to Human Brain Size

Researchers from the Howard Hughes Medical Institute have inactivated a gene in ferrets that is linked to abnormally small brain size in humans. Although the original impetus was to study human brain disease and development, the researchers say their results also shed light on how the human brain expanded during the course of evolution.Read more at HHMI News: Mutant Ferret Offers Clues to Human Brain Size.