Block notation is a way to represent a matrix by dividing it into smaller submatrices, called "blocks." This is useful for simplifying calculations or describing the structure of larger matrices. In ...

A Martínez is one of the hosts of Morning Edition and Up First. He came to NPR in 2021 and is based out of NPR West. Before he joined KPCC, Martínez had never listened to public radio. He views ...

Carissa Jane Smith, a 30-year-old former substitute teacher from Missouri, is facing serious charges including statutory rape, sodomy, and sexual trafficking. Smith is accused of engaging in ...

India is seeking the extradition of Khalistani terrorist Arshdeep Singh, known as Arsh Dalla, from Canada following his arrest after a shooting incident in Milton, Ontario. Dalla, a proclaimed ...

Howard Jacobson argues that liberation from red tape is no way to run a country.