Tag Archives: Reproduction (Biological)

They’re the original odd couple: One is massive, spherical and unmoving. The other is tiny, has a tail and never stops swimming. Yet the union of egg and sperm is critical for every sexually reproducing animal on Earth. Exactly how that union occurs has long been a mystery to scientists. …

I watched the ultrasound screen as my OB-GYN counted my follicles, the egg-producing sacs in my ovaries. They looked like the black holes in NASA images. I had more than 30 inside me. The sight unnerved me. My doctor seemed excited. “Those are some juicy-looking ovaries!” she said. Her comment …