Did you see this story floating around the 'net yesterday? Here's the beeb version, which I swiped from ninme. A study has determined that more than 3.5 million Ashkenazi (basically: European) Jews descended from just 4 women. This has the best unintentionally (or perhaps intentionally) funny comment in a Science story:
One of the authors said the study shows the importance of Jewish mothers.
"This I could tell you even without the paper," Dr Doron Behar of the Technion-Israel Institute of Technology told Reuters news agency.
DNA, SchmeeNA, says I. The important thing is, did they pass down their recipe for chicken soup?