Superbugs have colonized the International Space Station Naftali Hirschl, PhD. Allgemein, Israel & Diaspora 19.03.2019 2 Minutes Astronauts leave behind many things when they boldly go. Bacteria, however, stay with them. Extreme spaceflight conditions can force these bacteria to toughen up, while simultaneously lowering the immune defenses of the stressed, isolated c... Please register here, or login below. Username or E-mail Password Remember Me Forgot Password Published by Naftali Hirschl, PhD. View all posts by Naftali Hirschl, PhD. Published 19.03.2019