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A map shows internet outages caused by the Oct. 21 DDoS attack. (Courtesy of DownDetector)

A massive cyberattack temporarily takes down major websites. Find out how hackers use household devices to wreak havoc online.

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Motorists will be without a single testing center within Chicago city limits starting Nov. 1.

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From service dogs to household companions, a new book looks inside the complex world of a dog’s nose.

Species Relative of Great White, Megalodon Sharks

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A newly identified species of shark, Megalolamna paradoxodon, lived about 20 million years ago and measured roughly 13 feet in length. (Kenshu Shimada / DePaul University)

About 20 million years ago, a 13-foot predator swam in warm, shallow seas across the globe. This extinct shark was recently discovered by an international team of researchers led by a DePaul University professor.

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A remarkable new app brings us face-to-face with the 1915 Chicago tragedy.

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The Field Museum’s Matt von Konrat says that more than 3 million plant specimens have yet to be digitally cataloged. "We still have a ton of undiscovered diversity locked away," he said. (Courtesy of the Field Museum)

It's home to an estimated 30 million objects from across the globe, but only about 25 percent of the Field Museum's collection has been cataloged in a digital database. Starting Thursday, volunteers can help grow that percentage.

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U of C Research Provided ‘Blueprint’ for Study

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Rob Gaunt from the University of Pittsburgh prepares Nathan Copeland, who was paralyzed in 2004, for a brain computer interface sensory test using a robotic arm. (UPMC / Pitt Health Sciences Media Relations)

A paralyzed man is able to experience the sense of touch through the use of a robotic arm controlled by his brain. The breakthrough was made possible, in part, by years of research by a University of Chicago professor.

Discovery Results in Creation of 2 New Genera

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The jawbone of a newly reclassified beardog fossil (Field Museum specimen no. PM423), left, is shown in comparison with the jawbone of a larger beardog (specimen No. P12029) that lived approximately 22 million years later. (© Susumu Tomiya / The Field Museum)

Thanks to an inquisitive Field Museum researcher, a nearly 40-million-year-old fossil housed at the institution has been identified as one of the earliest relatives of dogs, bears and foxes known as a beardog. 

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SpaceX's Falcon 9, left, and Blue Origin's New Shepard. (SpaceX / Flickr, Franke360 / Wikimedia)

Tech billionaire Elon Musk wants to create a colony on Mars. Assessing the challenges–and his chances of success.

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Northwestern University chemistry professor Sir Fraser Stoddart, left, raises his glass at a ceremony celebrating his Nobel Prize win. (Evan Garcia / Chicago Tonight)

Sir Fraser Stoddart was one of three scientists awarded the Nobel Prize in Chemistry on Wednesday for developing the world’s smallest machines.

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Emily Graslie appears on “Chicago Tonight” in September 2015.

The Field Museum's Chief Curiosity Correspondent has a new show and she's here to tell us all about it.

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A baby has been born with the DNA of three parents. We hear about the promise the technique offers for avoiding some birth defects, and the ethical concerns it raises.  

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The Lincoln Park Zoo is breeding and releasing smooth green snakes, a species that's harmless to humans, in their preferred moist, marshy habitats. (squamatologist / Flickr)

A Chicago conservation alliance is asking for the public’s help to save a dozen native species, including the endangered Blanding's turtle.

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The arrival of driverless cars is shifting into high gear. They've already pulled into Pittsburgh–should Chicago give them the green light? A transportation engineer tells us about the future of autonomous automobiles.   

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The Chicago chanterelle is smaller than other chanterelle mushrooms and is practically odorless compared to the distinctive fruity smell emitted by other types. (Field Museum)

A restaurant-worthy mushroom was identified by researchers from the Field Museum and Chicago Botanic Garden. Meet the Chicago chanterelle.

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New York and Boston have also experimented with dry ice as a rodent control technique. (Dry ice: Shawn Henning / Rat: National Park Service)

Mayor Rahm Emanuel and the Department of Streets and Sanitation on Tuesday announced a pilot program that uses dry ice to curb rodent infestations.