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An artist's impression of Saccorhytus coronarius, a sea creature that lived 540 million years ago. Jian Han, Northwest University, China hide caption

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Jian Han, Northwest University, China

Scientists Describe Ancient Bag-Like Sea Creatures From China

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The micromotor device may someday be used to deliver antibiotics to the stomach. Angewandte Chemie International Edition hide caption

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Angewandte Chemie International Edition

This Tiny Submarine Cruises Inside A Stomach To Deliver Drugs

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A self-portrait taken by Cajal in his library when he was in his 30s. Courtesy Instituto Cajal del Consjo Superior de Investigaciones Científicas, Madrid hide caption

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Courtesy Instituto Cajal del Consjo Superior de Investigaciones Científicas, Madrid

Art Exhibition Celebrates Drawings By The Founder Of Modern Neuroscience

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Researchers are trying to tease apart the reasons why girls are less likely to become scientists and engineers. Marc Romanelli/Getty Images/Blend Images hide caption

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Marc Romanelli/Getty Images/Blend Images

When women express a lot of ambition in the workplace, research shows they pay a price. PeopleImages/Getty Images hide caption

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PeopleImages/Getty Images

Research Examines The Effects Of Gender On Stated Ambition

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Rain and radio towers in Austin, Texas. Scientists found that turning off steady beam lights on towers reduced bird fatalities by 70 percent. Cherry Bream/Flickr hide caption

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Cherry Bream/Flickr

How To Make Broadcast Towers More Bird-Friendly: Turn Off Some Lights

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Though Donald Trump's policies may not help his voters economically, sociologist Arlie Hochschild says he is speaking to them on a deeper level: meeting their emotional needs. MICHAEL MATHES/AFP/Getty Images hide caption

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MICHAEL MATHES/AFP/Getty Images

Strangers in Their Own Land: The 'Deep Story' of Trump Supporters

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Artist's rendering of two individuals of Siamogale melilutra, one of them feeding on a freshwater clam. Mauricio Antón/Journla of Systematic Palaeontology hide caption

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Mauricio Antón/Journla of Systematic Palaeontology

Dr. Nicole Garneau talks about taste on the TED Stage. Courtesy of Dr. Nicole Garneau hide caption

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Courtesy of Dr. Nicole Garneau

Are There More Than Five Basic Tastes?

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Some ethicists and consumer watchdog groups worry that the newly revised federal rules governing medical research don't go far enough to protect the rights and privacy of patients. Dana Neely/Getty Images hide caption

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Dana Neely/Getty Images

Research with living systems is never simple, scientists say, so there are many possible sources of variation in any experiment, ranging from the animals and cells to the details of lab technique. Tom Werner/Getty Images hide caption

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Tom Werner/Getty Images

What Does It Mean When Cancer Findings Can't Be Reproduced?

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Kim Kardashian and Donald Trump exemplify our contradictory feelings about the rich and famous. We idolize the powerful, but also relish their downfall. D Dipasupil/WireImage hide caption

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D Dipasupil/WireImage

Researchers Unravel Strange And Contradictory Feelings About Power

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