United States

Find out everything there is to know about the United States and stay updated on the latest US news with the comprehensive articles, interactive features and pictures at LiveScience.com. Learn more about this fascinating country as we continue to make amazing discoveries about the United States.
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California’s Forests Have Become Climate Polluters
The Zaca Fire in Santa Barbara County
April 29th, 2015
An emerging body of research shows that greenhouse gases are billowing out of the state’s woodlands.
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Ebola Update: Health Officials Taking Steps to Improve Hospital Safety
Texas Health Presbyterian Hospital Dallas
October 14th, 2014
Health officials are making immediate enhancements to improve safety at U.S. hospitals treating Ebola patients after a nurse became infected with the virus.
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Ebola Patient 'Should Not Have Traveled by Plane,' CDC Says
Ebola Virus Image
October 15th, 2014
The second health care worker to test positive for Ebola should not have traveled on a plane from Ohio to Texas the day before she showed symptoms of the disease, the head of the Centers for Disease Control and Prevention said today.
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2nd Person in US Tests Positive for Ebola
Ebola Virus Image
October 12th, 2014
A second person in Dallas has tested positive for Ebola after coming in contact with a man from Liberia who was infected with the deadly virus, officials said today.
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Ebola Outbreak 'Spiraling Out of Control,' President Obama Says
Microscopic view of Ebola virus
September 16th, 2014
If the Ebola outbreak in West Africa is not stopped now, hundreds of thousands of people in the region could be infected with the deadly virus, President Obama said today.
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Most Interesting Science News Articles of the Week
Mummified baby, million mummy cemetery
December 20th, 2014
A million mummies in one cemetery and the chemistry of Christmas cookies, just a few of the cool stories we've found in Science this week.
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Ebola Patient Flew on Plane Before Symptoms
airplane over water
October 15th, 2014
A health care worker who tested positive for Ebola flew on a plane the day before she developed symptoms of the deadly disease, the Centers for Disease Control and Prevention announced today.
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Why Are We So Afraid of Ebola?
Microscopic view of Ebola virus
October 10th, 2014
Despite reassurances from health officials that Ebola is unlikely to spread in the United States, concerns about the disease in this country have grown. Why does Ebola scare us?
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