DNA Can Predict Your Name.

Mark Jobling of the University of Leicester and colleagues discovered that - although not perfect, DNA can predict surname of male suspects:

The researchers extrapolated their success rate to the 25-65 no-suspect murders and 300-400 no-suspect rapes on the police books each year, and found the method could help in roughly 10 murders and 60 rapes annually.

Link (via Boynton)