Engineering Design

  1. Tech

    Drawing energy out of wastewater

    Microbes in a fuel cell can generate electricity from plant and animal waste in water.

    By Emily Sohn
  2. Space

    Destination Mars

    Sending mice into space is just one step toward putting astronauts on Mars.

    By Emily Sohn
  3. Chemistry

    Cooking up superhard diamonds

    Popping diamonds into a high-pressure oven can make these hard minerals even harder.

    By Sorcha McDonagh
  4. Tech

    Electronic paper turns a page

    Changeable ink and battery-powered paper may make textbooks lighter and bring video newspapers into daily use.

    By Emily Sohn
  5. Tech

    A micro-dose of your own medicine

    Medicine-delivering microchips implanted in the body could replace some injections and pills.

    By Sorcha McDonagh
  6. Computing

    A classroom of the mind

    Computer technology that puts kids in a cartoon classroom may help them learn to pay attention.

    By Emily Sohn
  7. Space

    Dreams of floating in space

    Traveling into outer space is scary, fun, and a possibility for anyone who's willing to work hard enough to get there.

    By Emily Sohn
  8. Genetics

    Baby swaps, crime scenes, and DNA testing

    By looking at animal DNA, investigators are solving crimes and conservationists are helping save endangered species.

    By Emily Sohn
  9. Tech

    Butterfly wings and waterproof coats

    Inspired by nature, scientists have come up with clever new designs for waterproof coatings.

    By Emily Sohn
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