Previous Article Next Article Table of Contents Science, Vol.357, No.6358, 1375-1377, 2017 DOI10.1126/science.aai9119 Export Citation Supersonic gas streams enhance the formation of massive black holes in the early universe Hirano Shingo, Hosokawa Takashi, Yoshida Naoki, Kuiper Rolf Please enable JavaScript to view the comments powered by Disqus.