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  1. Math

    Ice Cream Wars

    A visit to the supermarket can present a shopper with a bewildering array of choices. For ice cream alone, the consumer faces a variety of brands, flavors, container sizes, and types (fat-free versus low-fat versus premium, and so on). At the same time, deciding which items to stock is a formidable problem for retailers. They […]

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  2. Health & Medicine

    Vaccine Power: Immune cells target cancerous tissue

    Researchers are enlisting a person's own immune system to attack prostate tissue, including cancerous cells.

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  3. Materials Science

    Materials Take Wing

    Materials scientists are finding new uses for the billions of pounds of feathers produced each year by the poultry industry.