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Science

The revolutionary artificial heart without a pulse

In 2011, Dr. Bud Frazier and his colleague Dr. Billy Cohn implanted the first of a new kind of artificial heart: one without a pulse.

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CES unveils big TVs with 'ultrahigh definition'

CES unveils big TVs with 'ultrahigh definition'

The race to make TVs larger and larger has created a colossal problem for manufacturers: As screens grow, picture quality worsens — unless the viewer moves farther away from the screen.

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Study: Billions of Earth-size planets in Milky Way

Our Milky Way is home to at least 17 billion planets that are similar in size to Earth, a new estimate suggests. That's more than two Earth-size planets for every person on the globe.

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Killing trees in the name of science

Scientists do not fully understand how trees die. Why do some live and others die? How long does the process take? What is the impact of stress? Nate McDowell is one of the scientists at the Los Alamos National Laboratory trying to find answers.

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How do you tell the difference between good science and bad?

How do you tell the difference between good science and bad?

The misinterpretation of scientific research is all too common. Even people who bill themselves as experts may not be presenting the best information.

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Overcoming challenges to diversity in science careers

The Science Museum of Minnesota is in the middle of its Science Fusion series - four afternoons in January dedicated to celebrating and encouraging diversity in the fields of science, technology, engineering and math (STEM). What are some of the challenges facing minorities interested in STEM, and how can they be overcome?

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What drives people to explore?

What drives people to explore?

Humans, unlike other mammals, are driven to explore the unknown, discover new worlds, push the boundaries of our scientific and technical limits and then push further. Is there something in our genes that can explain it?

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New search engine tailors its results for tablets

New search engine tailors its results for tablets

Web surfing on tablet computers is a different matter, creating an opportunity for new products such as this search engine designed especially for iPads and tablets running Android software.

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Spaceport wants protections from tourist lawsuits

Spaceport America officials are urging legislators to limit potential lawsuits from wealthy outer space tourists who take off from New Mexico, saying such a bill is crucial to the future of the project.

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Martian rock from Sahara unlike others

Scientists are abuzz about a coal-colored rock from Mars that landed in the Sahara desert: A yearlong analysis revealed it's quite different from other Martian meteorites.

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