By Faye Flam
Inquirer Staff Writer
Recent efforts to pass amendments that define marriage as a union between a "man" and a "woman" are going to run into more than just political opposition.
Scientists are contending there's no clear definition of the gender divide.
There are at least seven definitions, but not everyone qualifies as male or female across the board, says Galdino Pranzarone, a psychologist at Roanoke College who has argued against marriage amendments on the editorial pages of the Roanoke Times. [more]