Apart from remodeling their home, astronauts on board the International Space Station are installing a new piece of equipment that may save their lives one day. Or embarrass them. It can go either way: Containing 32 sensors in a device the size of a shoebox, the ENose—or electronic nose—will be able to detect even the most subtle inorganic and organic smells. Like Carl Walz, ISS astronaut and Director for NASA's Advanced Capabilities puts it, "having experienced an air-quality event during my Expedition 4 mission on the space station, I wish I had the ... (more)