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

Microphones placed across the Chicago area by the Lincoln Park Zoo are tracking the return of bats to the region this spring. 

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A look at the Chicago Police Department's technological crime-fighting strategy.

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(Forest Preserve District of DuPage County)

A west suburban forest preserve is dispatching an army of freshwater mussels to clean up contaminated waters. “They may be small, but they have enormous beneficial effects on the lives of other organisms,” said one staff member.

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New technology lets police investigate whether drivers were using their cell phones moments before an accident. Could it curb texting while driving?

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(NASA)

A study co-authored by Northwestern University climate expert Daniel Horton outlines a framework for measuring the impact of global warming on extreme weather events. 

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March for Science Chicago organizers said 60,000 people attended the April 22 event. (Susan Wigodner / Twitter)

According to organizers, an estimated 60,000 people attended the March for Science Chicago, making it the largest of those that took place Saturday in 400-plus cities worldwide. But some area institutions did not officially support the event.

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Disaster scenarios near and far are daily considerations for a group of local scientists and engineers. We meet two members of the Global Security Sciences division at Argonne, nicknamed the Doomsday Squad.

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Emily Graslie appears on Chicago Tonight in September 2015.

The rally, march and expo is projected to be among the largest of those taking place Saturday in 400-plus cities worldwide.

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(Shedd Aquarium)

Shedd Aquarium’s dolphin calf Kukdlaa celebrated his first birthday with positive results from a physical checkup. And with cake, of course.

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Indiana Dunes

A spill last week at a U.S. Steel site in Northwest Indiana released an unknown amount of a potentially carcinogenic chemical into a Lake Michigan tributary, prompting the closure of three beaches at Indiana Dunes National Lakeshore.

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Life model of the new species Teleocrater rhadinus, a close relative of dinosaurs, preying upona juvenile cynodont, a distant relative of mammals. (Museo Argentino de Ciencias Naturales)

A Field Museum researcher is among a global group of scientists who have discovered an early dinosaur that reshapes our understanding of dinosaurs’ evolution. 

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(Plastic Pollution Coalition)

With an eye toward Earth Day, Shedd Aquarium has launched a campaign encouraging people to switch from single-use plastic straws to reusable or biodegradable alternatives.

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Astronaut Thomas Pesquet worked with artist Eduardo Kac to create "Inner Telescope," a piece of artwork that is currently aboard a space station. (Courtesy of Eduardo Kac)

As artwork by a Chicago artist orbits the Earth aboard the International Space Station, a medley of professionals will explore how technology and artificial intelligence have shaped their industries. 

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(Chicago Mayor's Office)

Mayor Rahm Emanuel announced Sunday a commitment to transition the city’s municipal buildings and operations to 100 percent clean and renewable energy by 2025.

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They’re fast, they’re precise and in some cases they’re even ... cute. We visit the trade show Automate to get a look at the latest in robotics.

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President Donald Trump signed a law Monday night allowing internet providers to sell your browser history. How worried should you be?

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