The more than 2,000 officers on the force missed their first full paycheck Oct. 10, leaving them to go without pay at a moment when the officials they protect face growing threats and violence.

This summer, organizers said more than 5 million people participated in No Kings protests against President Trump. Organizers say they expect an even bigger turnout this time around.

A Missouri group is working to overturn the map that gives the state one more Republican seat in Congress. If they get enough signatures, the map cannot take effect unless Missourians approve them.

The rate of smoking cigarettes has steadily declined since the 1960s – when Congress required warnings on cigarette boxes. Research shows that people are more likely to try to quit smoking when they’re under 40. But a new study in the journal The Lancet Healthy Longevity shows that quitting later in life can still be beneficial – and could possibly lower your risk for dementia. For this and more news from the science journals, Short Wave hosts Regina G. Barber and Emily Kwong talk with All Things Considered host Mary Louise Kelly.Interested in knowing more about science behind the headlines? Email us your question at [email protected] to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at plus.npr.org/shortwave.