Hi everyone. On social media I’ve been asking people for thought experiments I should rework into science fiction stories. I told everyone if they picked one I’d already written, then I’d let them read it for free. Mary was first published in my short story collection, Possible Worlds and Other Stories, last year. If you enjoy it, do share it. And if you have suggestions for any thought experiments, let me know in the comments.

So, voilà.

Mary

I am the only human being allergic to the earth. Exposu...