Kathy Sullivan was the first American woman to go on a spacewalk and now, 36 years later, she achieves a new feat and becomes the only person in the world who has been in space and in the greatest known sea depth.
The International Space Station (ISS) has been the scenario in which atoms have been cooled close to absolute zero until obtaining Bose-Einstein condensates.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
