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  1. Agriculture

    Growing healthier tomato plants

    How well tomatoes grow depends on how the plants are mulched and fertilized.

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  2. Animals

    An inspiring home for apes

    A group of scientists wants to establish preserves where orangutans and other primates have the chance to learn and create.

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  3. Animals

    Hot tail gives warning

    Ground squirrels can heat up their tails to signal and perhaps taunt rattlesnakes.

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  4. Humans

    Words of the distant past

    Human ancestors may have been able to talk as far back as 350,000 years ago.

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  5. Tech

    Surviving Olympic Heat

    Athletes competing in the Athens Olympic Games will rely on training and new technology to cope with high temperatures.

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  6. Fossils

    Fingerprinting fossils

    Researchers can find out in what kind of soil a fossil was originally buried.

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  7. Brain

    Music lessons for the brain

    Taking music lessons may help you become a little bit smarter.

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  8. Physics

    The pressure of scuba diving

    If done without proper precautions, scuba diving can be a painful experience.

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  9. Psychology

    Roller coaster thrills

    Riding roller coasters is about the need that some people have to seek thrills and take risks.

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  10. Brain

    A dog’s amazingly large vocabulary

    A border collie named Rico recognizes a surprisingly large number of words.

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  11. Environment

    A newspaper’s hidden cost

    Getting a newspaper electronically would be much better for the planet than receiving the paper version.

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  12. Tech

    Spinach power for solar cells

    A solar cell based on chemicals taken from spinach and bacteria converts light into electricity.

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