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Is Earth nearing a tipping point?

According to an article to be published in the journal Nature, a number of factors including climate change and population growth may be driving Earth toward a tipping point.

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Joy Reidenberg on 'Inside Nature's Giants'

Joy Reidenberg on 'Inside Nature's Giants'

Have you ever wondered what the inside of a sperm whale looks like? Joy Reidenberg knows. She's a comparative anatomist, going "Inside Nature's Giants" on the popular PBS series.

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China sends first woman into space

China sends first woman into space

China launched its most ambitious space mission yet on Saturday, carrying its first female astronaut and two male colleagues in an attempt to dock with an orbiting module and work on board for more than a week.

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How brain chemistry controls your emotions

How brain chemistry controls your emotions

In "The Emotional Life of Your Brain," psychologist and brain researcher Dr. Richard Davidson looks at how our brains emotionally respond to events in our lives.

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NASA chief views history-making SpaceX capsule

NASA chief views history-making SpaceX capsule

Officials say the world's first commercial supply ship to visit the International Space Station weathered its maiden voyage well.

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'.Apple,' '.auto' among Internet suffixes proposed

Proposals for Internet addresses ending in ".pizza," ".space" and ".auto" are among the nearly 2,000 submitted as part of the largest expansion in the online address system.

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10,000 germ species live in and on healthy people

Scientists have mapped just which critters normally live in or on us and where, calculating that healthy people can share their bodies with more than 10,000 species of microbes.

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Justice Department conducting cable company antitrust investigation

The Department of Justice is looking into allegations that cable companies are limiting competition from online video providers.

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People with paralysis can now move robotics with their thoughts

People with paralysis can now move robotics with their thoughts

New research shows that people who are paralyzed have the ability to move robotic arms with their thoughts through an implanted chip on the brain. How are scientists finding ways to help people with disabilities?

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When does adulthood begin?

When does adulthood begin?

You can smoke when you're 18. You can drink when you're 21. You can rent a car when you're 25. So what constitutes the age of adulthood in America? What role should new research into brain maturation play in that debate?

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