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“Sometimes, children and teens in certain sports believe they need to achieve a particular body type to be successful,” said Dr. Rebecca Carl. “Unless they have a healthy strategy to work toward their goals, however, they can end up defeating themselves and causing health problems.”

Videos of the eclipse from Chicago’s Adler Planetarium and multiple spots across the U.S. from NASA, plus safety tips, Chicago watch parties and more.

In the wake of widespread protests, Chicago Public Schools officials are hoping educators can use the events of Charlottesville, Virginia, as a teaching moment when classes resume next month.

Over the course of civilization, eclipses have been met with fear and superstition. How humans have reacted to—and explained—eclipses throughout history.

Adler Planetarium astrophysicist Lucianne Walkowicz joins us from the eclipse epicenter in Carbondale. 

(Alex Ruppenthal / Chicago Tonight)

Animal behavior experts noticed the biggest change in one particular species during Monday’s eclipse: humans. 

Onlookers were treated to a clear view of the solar eclipse in Carbondale. “It was a festival sort of atmosphere,” Amanda Vinicky said. “You literally had a beer tent, carnival rides, and band, a whole lot of very excited people wearing garb for the solar eclipse.”

“Until the government starts to call it what it is – and that’s terrorism – I’m not sure the point will fully come across as to how dangerous of a problem this is,” said Christian Picciolini, a former neo-Nazi, of far-right extremism.

The last time a total solar eclipse spanned the continental United States from coast to coast was 99 years ago. Thousands joined in the Adler Planetarium’s celestial celebration to mark the occasion.

Chicagoans from all neighborhoods and walks of life came out of the shadows to fix their appropriately covered eyes on the skies.

(Dick Gregory / Facebook)

The comedian and civil rights activist died on Saturday. He was 84. 

Toni Preckwinkle appears on “Chicago Tonight” on June 22, 2017.

As the fight over the Cook County sweetened beverage tax enters yet another round, Cook County Board President Toni Preckwinkle is getting some praise from one of the county's biggest unions.

(Courtesy Lincoln Park Zoo)

About a dozen different species were under close watch during the event as scientists looked for any changes in behavior. 

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

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