All-female mutant crayfish taking over the world #MadeMeSmile


Every now and then, I pitch a bizarre (and amazing) animal science story. This one was one of my favorites.

Essentially, self-cloning female mutant crayfish originating from one female are spreading all over the globe in surprising numbers without a male in sight. And scientists don't even know how this self-cloning female species, which was only discovered 20-25 years ago, mutated in the first place! Read my full story at

The self-healing #MadeMeSmile series features moments, words, images and more that put a smile on my face. You can also follow my #MadeMeSmile series here.

Unapologetically yours,