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Chicago Public Schools students are quickly approaching winter break, but some eighth-graders may have a little homework left to finish before the end of the week: Fill out high school applications.

Children on Chicago’s Southeast Side have higher levels of manganese in their toenails than children in other parts of the city, according to preliminary results of a study aiming to measure the impact of toxic metals on children’s health. 

A paternity test revealed that Miyagi, one of three male Japanese macaques at Lincoln Park Zoo, is the sire of all four Japanese macaques born at the zoo since 2014. (Todd Rosenberg / Lincoln Park Zoo)

A paternity test to determine the sire of four Japanese macaques born since 2014 at Lincoln Park Zoo came back with a surprising result. 

(Alexandra Silets / Chicago Tonight)

In less than a month, Women’s March on Chicago organizers will mark the one-year anniversary of their inaugural march with another one designed to empower women voters. Here are the details for the event.

Congress has passed the most significant tax code reform since Ronald Reagan was president. How will the sweeping overhaul impact your bottom line? We get advice and tax tips from two experts. 

The Illinois Department of Human Services announced Thursday that Link cards, which serve as a sort of debit card for food stamps, will be loaded with credit Thursday or Friday. 

(Jerry Goldner)

An owl loving Chicago photographer takes us along as he shoots a majestic snowy owl during the last “invasion” in 2014.

He leaked the Pentagon Papers expediting the end of the Vietnam war, but Daniel Ellsberg now reveals another big secret in his new book, “The Doomsday Machine: Confessions of a Nuclear War Planner.”

Chicago Tribune and ProPublica Illinois investigative reporters on how some Chicago police officers are able to reduce or overturn their punishments.

(The Javorac / Flickr)

DuPage, Kane, McHenry, Will and Lake counties filed almost identical lawsuits in their respective counties against numerous pharmaceutical companies, claiming the opioid crisis began almost 20 years ago.

Watch the Dec. 21, 2017 full episode of "Chicago Tonight."

Retirement can be lucrative for some former Illinois educators who are taking home pensions from the state’s Teachers Retirement System. A records request submitted by Chicago Tonight reveals the top 200 pension earners receive well into the six figures.