This video segment adapted from NOVA explains how flowers play a central role in the reproductive cycle of plants. Their striking array of colors, patterns, fragrances, and nectar all require lots of ...

Medically reviewed by Andrea L. Braden, MD Key Takeaways The female reproductive system includes organs that produce hormones like estrogen and progesterone. Ovaries release one mature egg each month ...

In part four of our series on women's health we focus on reproductive issues. From pregnancy to childbirth, we'll talk about the science as well as the emotional rollercoaster women ride as they take ...