Have some Mass Effect!
Mutation. It is the key to our evolution. It is how we have evolved from a single-cell organism into the dominant species on the planet. This process is slow, normally taking thousands and thousands of years. But every few millennia evolution leaps forward.
The dust doesn’t settle even when he is home, just clings beneath his skin and lines the blunt free edge of his nails like dirt. There’s a kind of hell for men like him, and oh, he would know, he is living it right now.