Today in Lady Hormones Be Crazy!: New research shows that right around ovulation time, women get more competitive with each other. I guess as far as hormonal side effects go, this one's not bad. I mean, it's not depression and despondency. It's not impulsivity. It's just wanting to be better at stuff than other women.…

In news to be filed under "NO WAY YOU HAVE GOT TO BE KIDDING ME," researchers think they may have found a link between treating menstrual cramps and a certain class of erectile dysfunction drugs:

My glorious monthly flow (or, at least, my convincing lies to Mrs. Dunn about having it at that very moment) sure served me well during the swim portion of high school gym class, but for almost half of women, it doesn't end there. An online study of 1,000 women has found that 38% of women have used our menstrual cycle…

According to a new study, where a woman is in her menstrual cycle influences how men talk to her. Scientists claim these changes may be part of an effort to impress her.

• Scientists have found stem cells in menstrual blood. • And a new company, C'elle, is already offering women period blood storage starting at just $99/year! • Joan Benoit Samuelson, "the matriarch of marathons," is running Olympic trials in Boston for fun. • Amy Poehler eats Honey Nut Cheerios because of The Wire• An…