A pair of organ works that scholars believe were written by a teenage Johann Sebastian Bach were premiered in Leipzig this week and added to the composer’s official catalog.

© Jens Schlueter/Agence France-Presse, via Bach Archive/AFP Via Getty Image

European chipmakers need TSMC’s help to grow their own semiconductor supply chain, but the chip giant’s Taiwanese suppliers find Europe a tough place to do business.

© Milan Bures for The New York Times