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In this Tuesday, Nov. 10, 2015, file photo, a mourner holds the program for the funeral of 9-year-old Tyshawn Lee at St. Sabina Church in Chicago. (Brian Jackson / Chicago Sun-Times via AP, File)

Jury selection will begin Friday in the murder trial of two of three men charged with carrying out the November 2015 attack on Tyshawn Lee, a smart fourth-grader who prosecutors say was killed by gang members to send a message to his father, a purported member of a rival gang.

In this Saturday, Dec. 22, 2018 file photo, a woman takes a puff from a cannabis vape pen in Los Angeles. (AP Photo / Richard Vogel)

Officials have identified about 450 possible cases, including as many as five deaths, in 33 states. The count includes newly reported deaths in California, Indiana and Minnesota.

In this Feb. 14, 2019, file photo people walk into the lobby for Amazon offices in New York. (AP Photo / Mark Lennihan, File)

Amazon said the hiring events will take place Sept. 17 in six locations where it thinks it can find the strongest talent: Arlington, Virginia — where it’s building a second headquarters; Boston; Chicago; Dallas; Nashville, Tennessee; and its hometown of Seattle.

U.S. Sen. Dick Durbin calls on the Food and Drug Administration on Monday, Sept. 9, 2019, to take action to properly regulate e-cigarettes as the number of vaping-related illnesses and deaths continue to rise across the country. (WTTW News)

U.S. Sen. Dick Durbin is calling on Food and Drug Administration Acting Commissioner Ned Sharpless to take “decisive action” against the vaping epidemic that has claimed five lives or resign.

(Quinn Dombrowski / Flickr)

The Hyde Park university maintained its position as one of top institutions in the nation – and the best in Illinois – according to the just-released 2020 rankings from U.S. News and World Report.

Marca Bristo (Courtesy Access Living)

Marca Bristo died from cancer Sunday morning, according to Chicago’s Access Living, the organization she founded in 1980. She was 66 years old.

Watch the Sept. 9, 2019 full episode of “Chicago Tonight.”

An image of rice fields in Ubud, Bali, submitted as part of the study by an archaeologist from the Max Planck Institute for the Science of Human History. (Lucas Stephens / University of Pennsylvania)

Humans in many areas of the world were farming, burning forests, grazing their animals and causing major changes to the environment some 1,000 years earlier than previously thought. 

When there’s a jazz band on stage, there’s often an artist in the crowd. We visit a Chicagoan who obsessively draws the area’s jazz scene.

(Stephen M. Scott / Flickr)

When you hear the word “guidebook,” you may think of restaurant reviews and tourist attractions. But a new take on the concept introduces readers to the city through the personal stories and experiences of its residents.

(lindsayfox / Pixabay)

Hundreds of people have been sickened and as many as five are dead after a recent outbreak of vaping-related lung illnesses. We speak with Dr. Samuel Kim, associate professor of surgery at Northwestern University’s Feinberg School of Medicine.

The CEO of Uber is in town for a major expansion of its Chicago offices. We go one-on-one with him on that and explore issues facing the industry.

A DuPage County judge signed off on a consent order Friday allowing for Sterigenics to reopen but with stricter emissions controls. What exactly does the settlement allow – and how soon can Sterigenics be fully operational?

John Rogers, who leads the Center for Bio-Integrated Electronics at Northwestern University. (WTTW News)

The future of medical monitoring is taking shape in a laboratory just north of Chicago. We learn about a new generation of flexible electronics.

Diamonds from the Juina area: most of these are super-deep diamonds. (Credit: Graham Pearson)

Scientists in Spain have been analyzing so-called super-deep diamonds as a means to learn more about the formation of the Earth itself. Rabiah Mayas tells us more about that and other stories making science headlines.