You can't sit in one place and watch evolution happen. But you might be able to come back after a while and see the evidence of it.

And in a remarkably short time, it turns out.

Scientists at the Institute of Ecology and Evolution at the University of Oregon discovered that the huge Alaska earthquake of 1964--the one that caused the Crescent City tsunami--forced sudden changes in a species of fish.

UO biologist Susan Bassham visits with the details.