ScienceShakenTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceConor Dillon10/09/2018October 9, 2018How do you "graduate" astronaut school? We ask Europe's newest astronaut. Also, the strange story of a roaring Himalayan flood, and what you should do in the event of a tsunami.https://p.dw.com/p/36F2qAdvertisement