Galaxy clusters are the heaviest structures in the universe, yet most of their mass is invisible, inferred only from the way it tugs on light and galaxies. Now a new class of “dead” stars, white ...
While fans may have wanted O’Connor to perform the megahit during her musical guest appearance in 1992, she instead staged a protest against the Catholic Church, performing Bob Marley’s 1976 track ...
1 Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riß, Germany 2 Hamburg University of Technology, Hamburg, Germany Wave bioreactors have a high volume-to-surface ratio, but aeration relies ...