Think your sex life is complicated? Imagine having 7 sexes.

No, this isn't something out of an Octavia Butler novel. It’s Tetrahymena thermophila — a single-celled organism that goes way beyond male and female. It has seven different sexes to choose from. Now a new study published in PLOS has finally made sense of its bizarrely complex and seemingly random sex life. » 3/27/13 2:30pm 3/27/13 2:30pm

A microscopic organism that eats DNA instead of having sex

For the past 80 million years, a tiny water-borne organism called the bdelloid rotifer has lived and thrived without the benefits of sexual reproduction. Now, while asexual reproduction is nothing new to science, the way that these rotifers go about it is particularly unique: They eat DNA found in organic debris. The… » 11/19/12 6:40am 11/19/12 6:40am