Human evolution in fast forward mode

St. Paul, Minn. — Human beings are evolving at an ever faster rate, according to a new study.

A group of anthropologists and geneticists tracked this change by looking a relatively new gene for digesting milk, which varies depending on where in the world you live.

Midmorning looks at what anthropologists are uncovering about our past and possible hints of the future.

John Hawks: Anthropologist at the University of Wisconsin-Madison, and was part of a team that analyzed DNA sequences and skeletons to determine the pace of human evolution. He writes a blog on paleoanthropology, genetics, and evolution.