Human brains are still evolving.

Human brains are still evolving:

University of Chicago geneticist Bruce Lahn recently published the results of a study demonstrating that two key genes connected to brain size are currently under rapid selection in populations throughout the globe.

"The jury is still out on what this means because we aren't entirely sure what these genes do," said Lahn. "It's possible they just control size and shape of the brain, rather than cognition. But the data is pretty compelling that the brain is evolving."

Some radical thinkers suggest human evolution needs to move even faster, with a little help from science.

"Biological evolution is too slow for the human species," said Ray Kurzweil, futurist and author of The Singularity Is Near. "Over the next few decades, it's going to be left in the dust."

More information in this Wired News article by Annalee Newitz: Getting Evolution Up to Speed