Word: motor
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Dates: during 1990-1999
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...hedgehog gene (so called because in its absence, fruit-fly embryos sprout a coat of prickles) diffuses outward from the cells that produce it, becoming fainter and fainter. Columbia University neurobiologist Thomas Jessell has found that it takes middling concentrations of this potent morphing factor to produce a motor neuron and lower concentrations to make an interneuron (a cell that relays signals to other neurons, instead of to muscle fibers, as motor neurons...
While driving on Eliot St. Dec. 17, Carlos Ho swerved to avoid a stopped motor vehicle and ran his 1996 Nissan Pathfinder down the Belfour Center's granite staircase...
...style--forming it, giving it meaning--was the "wonderful chaos" of nature, opposed in its plenitude to the merely superficial attractions of what we would now call media culture. "Take long walks and take them often," he advised a young painter, "and try your utmost to avoid the stultifying motor car, which robs you of your vision, just as the movies do, or the numerous motley newspapers. Learn the forms of nature by heart so that you can use them like the musical notes in a composition...
Today baby-boomer parents who may have smoked pot in college can tell their kids that we know a lot more about marijuana now than we did 25 years ago. We know that it can savage short-term memory and that it adversely affects motor skills and inhibits social and emotional development--just at the time such skills and development are most critical, when kids are in school. We can tell them that smoking pot as a young teen is decidedly more dangerous than beginning at twentysomething. Our research shows that the earlier someone smokes marijuana, the likelier that youngster...
...children need to hear a clear and consistent no-use message about marijuana--that it is illegal, dangerous and wrong. Research tells us it limits learning, memory, perception, judgment and motor skills, and it damages the brain, heart, lungs and immune system. Marijuana is not a "soft" drug...