About 50,000 years ago, a meteorite struck earth east of present-day Flagstaff, leaving this crater as its calling card. Shane.torgerson/Wikimedia Commons hide caption

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NASA's On Alert For Big Scary Asteroids. What About Smaller Ones?

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A nurse attaches the low-cost breathing machine (far left) to an infant at The Queen Elizabeth Central Hospital in Blantyre, Malawi. Jocelyn Brown/Rice University hide caption

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Scientists Come Close To Finding True Magnetic Monopole

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Peter Stone Can't Get Enough Of Robots Playing Soccer

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After Hibernation, Rosetta Seeks Its Stone

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Neonatal nurse Florence Mwenifumbo monitors a newborn receiving bubble CPAP treatment in Blantyre, Malawi. The device was developed by students at Rice University in Houston. Rice 360/Rice University hide caption

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Saving Babies' Lives Starts With Aquarium Pumps And Ingenuity

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Researchers Create New 'Memory' Metals That Could Improve Safety

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To Make Intersections Smarter, We Need Cars To Be Smarter, Too

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Space Station Gets Fixed In Christmas Eve Space Walk

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Phantom Traffic Jams: What Causes Mysterious Highway Backups?

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Dee Faught tests a robotic arm installed on his wheelchair in September. Commercially produced robotic arms can cost tens of thousands of dollars, but three Rice engineering students built one for Dee for about $800. Eric Kayne for NPR hide caption

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'The Coolest Thing Ever': How A Robotic Arm Changed 4 Lives

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Dr. Jim Olson meets with Carver Faull at Seattle Children's Hospital in August. Carver, now 12, had surgery to remove a brain tumor in 2012. Matthew Ryan Williams for NPR hide caption

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Treating Kids' Cancer With Science And A Pocket Full Of Hope

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The image on the left is a piece of lung tissue that contains a tumor viewed under normal white light. The right image shows the same piece of tissue after Tumor Paint has been applied. Here it's viewed under infrared light. Areas that are more red and yellow show a concentration of the paint, which means they are more likely to be cancerous. Courtesy of Julie Novak/Blaze Bioscience hide caption

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Why Painting Tumors Could Make Brain Surgeons Better

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