La Liga has El Clásico, France has Le Classique, and Argentina goes full gun with its Superclásico. English football has no true equivalent, with Liverpool and Manchester United fans unable to agree on a name for their grand-slam meetings. Up in the land of fitba, there’s this weekend’s 450th Old Firm/Glasgow derby (delete as applicable according to your stringency on Scottish company law). And Germany has Der Klassiker, between Bayern Munich and Borussia Dortmund. The Bundesliga marketing suits have been out in force this week for the one game, played on Saturday evening, that brings extra eyeballs. Though questions are often raised over whether this is a true, classic rivalry; Dortmund have not won a league title since Jürgen Klopp was making his rounds in 2012.
Researchers fear that most Emperor Penguins colonies could be wiped out by 2100
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In his Matching Soulmates paper in the journal of Public Economic Theory, everyone is in a computer simulated dating pool, where thousands of digitally created daters rank each other. His algorithm picks "first‑order soulmates": pairs who choose each other in a stable matching. It removes them, and runs it again with those left, and you get second‑order soulmates, and so on.