Robert O'Rourke was diagnosed with idiopathic pulmonary fibrosis in late 2006.  The lung disease causes scarring in the lungs, which makes breathing difficult. There's no cure yet, and researchers aren't certain what causes the disease. Courtesy of Robert O'Rourke hide caption

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Courtesy of Robert O'Rourke

Breathing New Life Into Lung Disease Awareness

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Liam, a capuchin monkey, will respond differently to a simple test if another monkey receives a more favorable food reward for performing the same task. Laurent Pretot hide caption

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Laurent Pretot

Monkey Business: Fairness Isn't Just A Human Trait

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Astronauts will spacewalk on Wednesday in an attempt to fix a broken cooling pump aboard the International Space Station. Though a second pump is currently working, NASA officials are worried about the possibility of it shutting down before the broken pump is fixed. NASA hide caption

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NASA

NASA Schedules Spacewalk To Fix Broken Pump

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Oil, Gas Leaking From Gulf Well

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Sound Asleep: NASA's Mars rover Spirit, seen here in an artist's rendering, has been hibernating through the the cold and dark Martian winter, and mission scientists aren't sure when its solar panels will have charged the batteries enough for it to wake up. NASA hide caption

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NASA

NASA Waits For Spirit To Send Signal From Mars

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A view of the personalisation of the adidas Jo'bulani official match ball for the 2010 FIFA World Cup Final between the Netherlands and Spain. This ball was named slightly different than the one that has been used throughout the tournament. Richard Heathcote/Getty Images Europe hide caption

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Richard Heathcote/Getty Images Europe

What Physics Says About Smooth Balls

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A Fishy Take On Human Skin Tones

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You can thank this Tiktaalik fish forĀ  your bones and evolution for some of your health problems. copepodo/flickr.com hide caption

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copepodo/flickr.com

Got Hemorrhoids? Blame Your Inner Fish

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An illustration of what the sea creature Tiktaalik may have looked like. Known as a "fishapod," Tiktaalik bridged the gap between sea living and land living creatures, and played an important evolutionary role on our journey to becoming human. Zina Deretsky/National Science Foundation hide caption

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Zina Deretsky/National Science Foundation

The Human Edge: Finding Our Inner Fish

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Colorful fireworks explode in the air. iStockphoto.com hide caption

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iStockphoto.com

A Science Lesson For A Fiery Fourth

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Emma Hendrickson, who is more than 100 years old, is the oldest competitor in the history of the United States Bowling Congress Women's Championships. Hendrickson wasn't part of the centenarian study, but the scientists found genetic signatures — gene patterns that were present in subgroups of centenarians with particular characteristics — that may predict who will join her in the centenarians club. Liz Margerum/The Gazette-Journal via AP hide caption

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Liz Margerum/The Gazette-Journal via AP

Who Will Live To Be 100? Genetic Test Might Tell

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Scientists recently mapped the louse genome. It has only 108 million letters of DNA, which is fewer than in other insects they've mapped. Courtesy Aurelie Veracx hide caption

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Courtesy Aurelie Veracx

Mapping Louse DNA Could Help Fight The Parasite

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Called red currant tomatoes, these Solanum pimpinellifolium are actually a tomato cousin, in the nightshade family. The fruits are intensely tomato-flavored and very sweet. Harry Klee hide caption

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Harry Klee

Taking Tomatoes Back To Their Tasty Roots

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Scientists Create First Synthetic Cell

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