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Field Museum ichthyologist Susan Mochel talks with visitors at the museum's ID Day in 2017. (Courtesy Field Museum)

More scientists will be on hand next month to examine specimens and artifacts brought in by visitors, including staff specializing in zoology, paleontology, geology, ichthyology (also known as fish science) and more.

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We bite into the science behind this summer’s blockbuster movie about the giant, prehistoric shark Megalodon with a Shedd Aquarium expert.

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In Illinois last year, more than 2,300 bridges were classified as “structurally deficient” – including three spanning Lake Shore Drive. We talk aging infrastructure in Chicago and beyond.

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Vice President Mike Pence: “The space environment is fundamentally changed in the last generation.”

The president proposes a new branch of the military for space defense. Local experts weigh in on Space Force.

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(Courtesy Lincoln Park Zoo)

A groundbreaking program to study urban wildlife using a network of motion-triggered cameras is expanding to Canada and South Africa. 

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(Frank McNamara / Flickr)

Researchers from Cornell University and the EPA are raising concerns about the potential impact of recently discovered non-invasive species on the overall health of the Great Lakes.

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(Anne Brooke / U.S. Fish and Wildlife Service)

As part of a relatively new Lincoln Park Zoo project, guano from bats across the Chicago area is collected and tested for levels of cortisol, an indicator of stress. 

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A revolutionary new telescope detects a mysterious signal, and why sleeping with the light on could increase your risk for diabetes. Rabiah Mayas joins us with stories making headlines in the world of science.

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A judge blocks the release of blueprints for 3D printed guns. Is it reasonable regulation, or a violation of the First Amendment?

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Retired University of Chicago astrophysicist Eugene Parker speaks with Chicago Tonight on Tuesday, July 31, 2018.

Next week, the retired University of Chicago astrophysicist, 91, will watch as a probe named in his honor is launched from the Kennedy Space Center and catapulted to the sun’s corona.

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The GMT will consist of seven mirrors, each eight meters in diameter, to make a single optical surface that’s 24.5 meters wide. (Giant Magellan Telescope – GMTO Corporation)

There’s a telescope under construction in Chile, and it’s slated to be the world’s largest – if it’s completed in time.

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Mars is bright in the summer sky this week. (Credit: NASA / JPL / USGS)

For the next several days, the celestial event calendar includes some stellar highlights for observers in Chicago and around the globe.

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A synthetically fossilized lizard foot created by Field Museum scientists who recently developed a way to simulate key parts of the fossilization process. (Courtesy Field Museum)

Fossils typically take tens of millions of years to develop, but a Chicago scientist recently helped discover a new way to simulate the fossilization process in a lab – in just 24 hours.

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(Courtesy of U.S. Department of Energy Office of Science)

A new report from an environmental advocacy group criticizes Illinois and more than two dozen other states for adopting renewable energy plans that allow for dirty energy sources. 

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Cook County Fisheries biologists Jim Phillips and Steve Silic in the walleye hatchery.

Though not a terribly romantic process, walleye breeding at the Cook County Forest Preserve District produces thousands of young fish for county lakes. We take a closer look.

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(PollyDot / Pixabay)

If you’re not ready to raise chickens in your backyard, you could try your hand at another popular trend: urban beekeeping.

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