Word: twinning
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Dates: during 1980-1989
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...last week's collisions involved military planes. In clear skies 20 miles east of Kansas City, a civilian Piper Navajo flying under visual flight rules collided with an Army twin-engine transport, killing all five people involved. In the bright central Texas sky near Brownwood, two unarmed Air Force Phantom F-4 jets crashed while engaged in what the military called a "defensive-maneuver training mission." The crash left debris that stretched for five miles. Two men died, and two parachuted to safety. Finally, over Westerly, R.I., a Piper Cherokee and a Piper Archer, both single-engine, general-aviation aircraft...
...temporarily make us feel better, he may not be solving our problems. Although Ronald Reagan has attained tremendous popularity and a superficially strong economy with lower inflation, he will probably be remembered as a president who was not able to translate his popularity into successful policy. His legacy of twin tower deficits, cuts in education and detachment from policy are demonstrative of the ills which plague our country. Just because the doctor smiles does not mean the patient is healthy...
...Jims were the first of 348 pairs of twins studied at the University of Minnesota, home of the Minnesota Center for Twin and Adoption Research. Much of the investigation concerns the obvious question raised by siblings like Springer and Lewis: How much of any individual's personality is due to heredity? The center's answer: about half...
Adam Matheny of the Louisville Twin Study, the oldest of U.S. twin study groups, says the "mechanism for change is laid down the moment a child is conceived" and that the genes provide a "rough sketch of life." Some psychologists who stress the influence of genes on behavior often speak as if nurture were a by-product of nature. "All of us make our own environment," says Developmental Psychologist Sandra Scarr of the University of Virginia. Lykken makes the same point: "The environment molds your personality, but your genes determine what kind of environment you have, seek and attend...
...want to," says Kamin. "I'm not saying that anyone is falsifying facts or anything, just that we really know very, very little." For the Minnesota researchers and their allies, however, their study is just one more proof that parenting has its limits. Says Psychologist and Twin Researcher David Rowe of the University of Oklahoma: "Parents should be blamed less for kids who have problems and take less credit for kids who turn out well...