This article by Pavel Yazhgur, Dominique Langevin, Vincent Klein, Emmanuelle Rio and Anniina Salonen (Université Paris Sud—CNRS UMR, Orsay, France) and Hervé Caps (Université de Liège, Liège, Belgium) was published online by npj Microgravity on May 27, 2015.

This article by Carlos Luna and Adam H Hsieh (University of Maryland, College Park, MD, USA) and Alvin G Yew (NASA Goddard Space Flight Center, Greenbelt, MD, USA) was published online by npj Microgravity on 30 July, 2015.

This article by Kuniaki Otsuka, Yutaka Kubo, Mitsutoshi Hayashi, Naomune Yamamoto and Koichi Shibata (Tokyo Women’s Medical University, Tokyo, Japan), Germaine Cornelissen (University of Minnesota, Minneapolis, MN, USA), Tatsuya Aiba, Satoshi Furukawa, Hiroshi Ohshima and Chiaki Mukai (Japan Aerospace Exploration Agency, Tokyo, Japan) was published online by npj Microgravity on November 30, 2015.