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After a 10 year, 4 billion mile long journey, the European Space Agency’s Rosetta spacecraft made history today as the first spacecraft to go into orbit around a comet.

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The discovery of a tiny cricket in a 20-million-year-old piece of amber that was found in the Dominican Republic more than 50 years ago offers new views into an ancient environment and how it once thrived.  

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A local professor has co-created a computer program that calculates age from a selfie. We talk about the development, process, and accuracy of the project FaceMyAge. 

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The computer Watson, best known for winning a $1 million prize on the quiz show "Jeopardy!," is now using the vast power of its artificial intelligence for everything from medical diagnostics to creating new cooking recipes. We talk to Chicagoan Stephen Gold, vice president at IBM's Watson group, about what Watson has in store for us.

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From invasive species to summer storms, there's a lot going on in the world of science. Museum of Science and Industry's Rabiah Mayas stops by for another Scientific Chicago.

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A Chicago design firm is competing with others around the country to create a new, better bike for city riding. All the designs were unveiled Friday, July 25. Phil Ponce will test drive the new bike Monday, July 28, and talk with the designers.

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The Chicago Tribune uncovers a disturbing and inexplicable spike in red light camera tickets around Chicago.

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We take a look at the Lurie Garden as Millennium Park celebrates its 10th anniversary.

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Argonne scientist Marius Stan joins us to talk about his work and how, almost by accident, he came to have a recurring part in the hit TV series "Breaking Bad."

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After years of decline, water levels in Lake Michigan are on the upswing. However, the recent surge in water levels has environmental experts warning that extreme weather requires improved infrastructure and a new long-term view of how we manage our water systems.

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Data-collecting sensors in the "Array of Things" project are set to go up on city lamp posts by mid-July. But some tech insiders are questioning the amount of data to be stored and whether or not personal privacy is a concern.

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Now into summer, Chicago weather continues to fluctuate between sun, fog, and storms. WGN's Chief Meteorologist Tom Skiling joins us with why summer has gotten off to a foggy start. Send us your severe weather photos here and we'll use them in our online slideshow.

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Is the farm of the future indoors and multiple stories high? Paris Schutz takes us inside some of the area’s vertical farms to showcase the newest food growing technology, and shows us an indoor farm in a building millions of people travel through every day.

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The city and ecologists are close to finishing Chicago's newest park – an ecologically diverse habitat on what was once Meigs Field. We'll talk to two planners involved with Northerly Island's transformation.

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After a decades long search, scientists have found a vast reserve of water 400 miles beneath the Earth's surface that could support new theories on how the planet formed.

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There's controversy over a sexist Techweek event. We'll hear how sponsors have turned the outrage into a learning opportunity in the male-dominated world of tech.