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Science news and technology updates from Scientific American
Updated: 48 weeks 22 hours ago

New Players in the Obesity Puzzle: The Brain's Glial Cells

Fri, 08/19/2016 - 13:00
Discoveries about the roles they play in appetite and metabolism could unlock new strategies against obesity

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Vagrant Birds May Portend Species Distribution in Climate-Changed World

Fri, 08/19/2016 - 12:30
Long dismissed as accidental tourists, birds that turn up outside their normal ranges may instead be pioneers 

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<i>T. rex</i> with Well-Preserved Skull Found in Montana's Hell Creek Formation

Fri, 08/19/2016 - 11:45
Researchers say they were able to unearth roughly a fifth of the animal

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Voters Seldom Swayed by Local Campaign Stops

Fri, 08/19/2016 - 10:10
A survey during the 2012 election found that bus tours and visits to greasy spoons didn't do much to change voter opinions. Christopher Intagliata reports. 

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Zika Virus Now Believed to Be Spreading in Miami Beach

Fri, 08/19/2016 - 10:00
The zone of transmission has widened into a major tourist hub

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Beaver Dams Strengthened By Humans Help Fish Rebound

Mon, 07/25/2016 - 16:09
Fish flourished in creeks in which human engineers helped shore up beaver dams made weak by poor timber availability.  

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No Health Problems from 2014 Chemical Spill in West Virginia

Mon, 07/25/2016 - 12:00
Government study finds safety for unborn children, calming fears

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Brain Training Cuts Dementia Risk a Decade Later

Mon, 07/25/2016 - 11:00
How a brief intervention could have such long-lasting results remains unclear

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Tim Kaine's Climate Record Is All over the Map

Mon, 07/25/2016 - 09:45
He is for natural gas and oil drilling, yet also for cutting greenhouse gas emissions

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Brexit Watch: U.K. Researchers Scramble to Save Science

Mon, 07/25/2016 - 08:05
Uncertainty reigns as the U.K. struggles with how to sever its relationship with the E.U.

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Quiz: Are You a Real Math Geek?

Mon, 07/25/2016 - 06:45
A highly scientific assessment of your math geekitude

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"Coding for All": Is It a Smart Goal for Schools?

Mon, 07/25/2016 - 06:30
Is coding for all a realistic goal—and is it one that American schools should be pursuing?

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Can Chemists Turn Pollution into Gold?

Mon, 07/25/2016 - 06:00
Scientists are trying to convert carbon dioxide emissions into something of value—without using too much energy

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What Kind of Rock Would You Be?

Sun, 07/24/2016 - 11:00
A bit ago, I had my En Tequila Es Verdad readers ask some simple geology questions, and they delivered! This is the first in a long series of reader-inspired posts exploring the lighter side of...

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Donald Trump's Real Ambition

Sun, 07/24/2016 - 08:45
Trump is driven by one thing and one thing only: the search for glory

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The U.S. Blew $1.4 Billion on Abstinence Education in Africa

Sun, 07/24/2016 - 07:15
The effort was supposed to prevent the spread of HIV—but it didn’t work, according to the most comprehensive study of the program

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Straight Lines That Curve, Circles That Twist and Other Mind-Bending Illusions

Sun, 07/24/2016 - 06:30
Illusions that distort your perception

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Frigate Bird Flights Last Months

Sat, 07/23/2016 - 14:21
Great frigate birds may stay aloft for up to two months, eating and sleeping on the wing.  

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The New Allergy Shot

Sat, 07/23/2016 - 07:15
Allergens hidden inside nanoparticles make allergy shots safer and more effective, new study shows

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Mummy Hair Points to a Low-Stress Life in Ancient South America

Sat, 07/23/2016 - 07:00
Scant cortisol levels in mummified locks change ideas about pre-Hispanic Chile natives

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