• The theory explains that as the sea floor spreads, the tectonic plates are pushed and pulled in different directions.

    VOA: special.2011.01.04

  • He says the sea floor is, on average, 4,000 meters deep.

    VOA: special.2009.01.13

  • BP says a more complete solution is needed. The next step is to try to pump mud and other materials to the sea floor and block the well.

    VOA: standard.2010.05.17

  • Researchers found them on the floor of the Mediterranean Sea.

    VOA: special.2010.11.09

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