This year’s report from Chicago Public Schools’ Office of Inspector General includes data from the new Sexual Allegations Unit, which was formed in the wake of the Chicago Tribune’s bombshell “Betrayed” series.

Advocate Lutheran General Hospital is using artificial intelligence software to detect strokes via brain scans – and they say it allows them to initiate treatment faster than ever before.

Just one day into the new decade – and one day into Illinois’ foray into legal marijuana – the state’s network of licensed cannabis dispensaries sold $3.17 million worth of recreational pot to 77,128 customers.

It’s the end of a considerable era for Chicago Bears fans. The team’s longtime public address announcer, Jim Riebandt, worked his last game at Soldier Field in December when the Bears faced off against Kansas City.

The public outcry over the high price of medicines did little to stop drugmakers from raising prices again for 2020. Drug prices in the new year have reportedly increased an average of 5.3% industrywide. 

Could battery-powered electric vehicles soon cost the same as gasoline-powered cars? A senior scientist at Argonne National Laboratory explains what could be an energy revolution.

The Great Lakes are home to an estimated 180 invasive species. Freshwater biologist Scott Colburn, who recently joined a research team at the Shedd Aquarium, tells us about the latest efforts to protect Lake Michigan from invasive fish, mussels and more.

Static electricity was first described more than 2,500 years ago, but scientists have never been able to fully explain what causes it. Researchers at Northwestern University now think they may have solved the mystery.

The independent record label sets the gold standard for roots music in Chicago and beyond. We visited the headquarters of Bloodshot Records on the eve of its silver anniversary – and got an earful.

Watch the Jan. 2, 2020 full episode of “Chicago Tonight.”

The Chicago Bears (8-8) wrapped up their season Sunday with a 21-19 win over the Minnesota Vikings. We review the season’s highs and lows with former Bears offensive lineman James “Big Cat” Williams.

Are local officials and cannabis dispensaries ready for the rush of customers when recreational marijuana becomes legal Wednesday? We visit a pot shop in Lakeview to see how it’s gearing up for green.

From the first-ever image of a black hole to growing concern over climate change, we review some of the year’s top science stories with three of our regular science contributors.

University of Chicago linguist Jason Riggle discusses some of the top words of 2019, including “they,” “existential” and “climate emergency.”

Watch the Dec. 30, 2019 full episode of “Chicago Tonight.”