History's Most Dangerous Aircraft Models

The doors of the DC-10 were made to swing outwards, which made it extremely difficult to shut them correctly. In 1972, the doors swung open while the plane was in the sky. This happened again in 1974. In 1979, the wing had fallen off during takeoff. After some much-needed corrections, this plane is finally safe to fly. 


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The More You Know

  • The oceans contain 200,000 different kinds of viruses.
  • Doctors' sloppy handwriting kills more than 7,000 people annually in the United States.
  • When two white-faced capuchin monkeys meet, they say hello by sticking their fingers into each other's noses.
  • The wolf's jaw can exert 1500 pounds of pressure per square inch, twice the jaw pressure of a German Shepherd. Wolves can crush large bones in just a few bites.
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