The world's population has just hit 7 billion people and continues to grow. Population experts are concerned about the rise in consumption that will accompany the increase in people. One California home builder, ZETA Communities, designs and builds small, highly energy-efficient homes.

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As Population, Consumption Rise, Builder Goes Small

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Automakers Want To Cut The Cord On Electric Cars

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A pair of tweezers holds a graphene transistor fabricated on a silicon wafer. An I-Corps team from the University of Pennsylvania is working on scaling up their cheaper method of making high-quality graphene, an extremely strong, conductive material one atom thick that was the subject of a Nobel Prize last year.

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Entrepreneurship Lessons For The Academic-Minded

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Paranormal investigator Noah Voss points a video camera at an electromagnetic frequency device to record any abnormal activity at the Sun Prairie Cemetery in Sun Prairie, Wis.

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Paranormal Technology: Gadgets For Ghost-Tracking

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Toxoplasma gondii is a parasite, seen here in brain tissue, that can alter the behavior of the host. It can make rodents attracted to cats, leaving them vulnerable to getting eaten.

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Invasion Of The Mind-Controlling Zombie Parasites

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Phil Pressel designed cameras for the government's top-secret Hexagon project. He's only recently been able to speak about his life's work.

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Spy Satellite Engineer's Top Secret Is Revealed

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Pythons' huge meals strengthen their hearts, and scientists hope it will help them learn how to treat human heart diseases.

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Eating Your Way To A Healthy Heart (If You're A Python)

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A worker stands next to an array of Sharp solar cell modules at a power plant south of Tokyo in August. Sharp was one of 1,400 solar panel manufacturers in attendance at the Solar Power International conference, where industry optimism was high.

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After Scandal, Solar Industry Looks On Bright Side

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Romney Seemingly Shifts On Climate Change

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Does Probiotic Yogurt Really Affect Digestion?

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Scientific Case Still Open On 2001 Anthrax Attacks

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Brian Greene Explains 'The Fabric Of The Cosmos'

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Analysis Questions Flu Shot Effectiveness

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