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Astronauts Return From Space Station, As An American Takes Command

U.S. astronaut Sunita Williams is now in command of the International Space Station, after receiving control of the facility this weekend. Three departing astronauts whose capsule left the station early Monday landed safely three and a half hours later.
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Teachers' Expectations Can Influence How Students Perform

Teachers' expectations about their students' abilities affect classroom interactions in myriad ways that can impact student performance. Students expected to succeed, for example, get more time to answer questions and more specific feedback. But training aimed at changing teaching behavior can also help change expectations.
NPR

Microbes Benefit More Than Just The Gut

Reporting in Science Translational Medicine, researchers write that healthy sinuses are populated by a diverse population of bacteria, including Lactobacillus species. Study author Susan Lynch discusses whether a microbial spray might be a good cure for the sniffles.
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Detecting the 'Artful Dodge'

During the Republican debates, Mitt Romney told a moderator "You get to ask the questions you want. I get to give the answers I want." Social psychologist Todd Rogers talks about how likely voters are to notice a subtle dodge. James Fowler joins to discuss whether social media can send more people to the polls.
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Field Trip To A Fungi Foray

What happens at the Northeast Mycological Federation Foray? "Mushrooms only," according to attendee Gary Lincoff, an instructor at the New York Botanical Garden and author of The Audubon Society Field Guide to North American Mushrooms. Science Friday stopped by the conference for mushroom talk, mushroom crafts, mushroom eats and a mushroom hunt.
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Mars Rover May Be Contaminated with Earth Microbes

Part of Curiosity's drill may have been exposed to microbes on Earth before the rover launched to Mars. Catharine Conley, NASA's planetary protection officer, explains how the slip-up violated agency procedures, but why it likely won't impact Curiosity's science objectives.

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