• For if McClellan discovered how few men were left behind, he could smash through easily and capture the city.

    VOA: special.2009.09.17

  • The French chemist Nicolas Leblanc discovered how to make soda ash from salt in the late eighteenth century.

    VOA: special.2011.03.09

  • Mister Kao discovered how to transmit,or send,light signals over long distances through optical glass fibers.

    VOA: special.2009.12.08

  • She discovered how much fun jazz music was to play, because it is always changing.

    VOA: special.2009.12.18

  • In the eighteen hundreds, researchers discovered how to make salicylic acid from the chemical.

    VOA: special.2010.12.14

  • Scientists have discovered more details about how plants use water.

    VOA: special.2010.01.26

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