MORE THAN YOU WANT TO KNOW ABOUT PATERNITY
I can't pass this one up. DNA testing that shows among Anna Nicole Smith's multiple lovers, a fellow named Larry Birkhead is the father of her daughter provides such an exquisitely teachable moment about paternity - well, it's simply impossible for me to resist.
This is going to be fun. We'll start with a discussion of what scientists delightfully call "sperm wars." Let's first discuss those conducted by chimpanzees. They give the phrase "flooding the zone" a whole new meaning.

