![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/sig-mustard.png) | 21 MAY 2014 |
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/sig-tut.png) | 21 MAY 2014 |
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/sn-placenta.jpg) | 21 MAY 2014 | Biology Study counters notion that placenta is sterile, suggests oral hygiene may be important for healthy pregnancy
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/si-TJ%20Glauthier.jpg) | 21 MAY 2014 | Policy Congressionally mandated panel will look at the mission of DOE's 17 civilian and weapons labs
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/sig-meat.jpg) | 21 MAY 2014 |
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/sn-leaves.jpg) | 21 MAY 2014 | Plants Animals Fog and water hoarding may be key
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/sig-cooling.jpg) | 21 MAY 2014 |
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/sn-wheelrunning400.jpg) | 20 MAY 2014 | Biology Place a running wheel outside, and wild animals will flock to it, likely because it's fun
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/upton.jpg) | 20 MAY 2014 | Funding Senior Republican and Democrat back new initiative to improve drug development
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/sig-airplace.png) | 20 MAY 2014 |
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/sig-koala.png) | 20 MAY 2014 |
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/default_images/ScienceNews_SQUARE_5.jpg) | 20 MAY 2014 | Health Public Citizen, lawmaker say federal watchdog office overseeing human subjects' protections is not sufficiently independent
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/shiveluch_oli_2014031_lrg-001.jpg) | 20 MAY 2014 | Scientific Community Russian officials have threatened to turn off 11 sensors amid Ukraine tensions
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/sig-zebrafish.png) | 20 MAY 2014 |
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/sig-supercell.png) | 20 MAY 2014 |
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/sig-prize.png) | 20 MAY 2014 |
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/sn-ecigs.jpg) | 20 MAY 2014 | Brain Behavior Survey finds electronic devices are better than nicotine patches at helping people kick the habit
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![](http://news.sciencemag.org/sites/default/files/styles/square_60x60/public/meyerhoffs7HR.jpg) | 20 MAY 2014 | Education Penn State and the University of North Carolina get money to copy successful Meyerhoff Scholars Program in Maryland
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