ScienceAlert's weekly science roundup spans cancer-causing infections and a feathered dinosaur

ScienceAlert's September 26–October 2 roundup covers cancer-causing infections, an IBM quantum computer and a feathered dinosaur, among other topics. Its linked headlines say five infections are responsible for more than 2 million new cancer cases annually, and that IBM's quantum computer completed in 19 seconds what could take a supercomputer a century.