News

  1. Take a Number: Kids show math insights without instruction

    Kindergartners can solve relatively complex addition and subtraction problems if allowed to use their intuitive grasp of approximate quantities rather than being required to calculate exact solutions.

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  2. Chemistry

    Packaging Peril: Chemicals in food wrapping turn toxic

    Chemicals that prevent grease from seeping through food packaging can transform into a suspected carcinogen.

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  3. Health & Medicine

    Visualizing Cancer: Images of tumors can detect gene expression

    Subtle features in X-ray images of tumors let radiologists infer which genes are active in the cancerous growth.

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  4. Animals

    Pothole Pals: Ants pave roads for fellow raiders

    By throwing their bodies into tiny potholes on rough trails, army ants enable their comrade to race over them, improving the colony's overall foraging success.