Call of the Wild

For some, it may be easy to forget that Isabella Rossellini is a famous actress and not a kooky high school biology teacher. But if I were a biology teacher, you better believe I'd be using these videos in my class. Check out both seasons of "Green Porno" at the Sundance Channel website.

You may have asked yourself at some point, why sex? Why not just asexually divide like creatures did at the beginning of our world? Fortunately for us, unique combinations of DNA help many species to fend off parasites. So, as the article's title says, "Like Sex? Thank a Parasite."