The best description I can come up with is metallic; a rather pleasant sweet metallic sensation. It reminded me of my college summers where I labored for many hours with an arc welding torch repairing heavy equipment for a small logging outfit. It reminded me of pleasant sweet smelling welding fumes.
— Astronaut Don Pettit on the smell of space. Read more at What Space Smells Like at The Atlantic. Hat tip to Michael!


