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Tutorials & Reviews

Research in the News: Help for Cuckoo Clocks (Grades 9-12) - The body's pacemaker in the brain helps to regulate melatonin secretion. Each day, the pacemaker must reset the body's "biological clock," because the clock does not run automatically on a 24-hour cycle, yet people's lives do. (ARCHIVE: 1995) (Office of Science Education)
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Research in the News: Thalidomide Gets A Second Chance (Grades 9-12) - The drug thalidomide caused a tragic worldwide outbreak of birth defects in the early 1960s. Now, researchers are finding new uses for thalidomide, giving it another chance to benefit humanity. (ARCHIVE: October 23, 1998) (Office of Science Education)
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Research in the News: Emotions and Disease (Grades 9-12) - How tightly are emotions and diseases linked to each other? Can someone actually die from loneliness? Is it really possible to become sick with fear? (ARCHIVE: 1997) (Office of Science Education)
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Research in the News: Tuberculosis - Out of Control Again (Grades 9-12) - Mycobacterium tuberculosis is not readily responding to antibiotics that once successfully stopped this disease. In a disturbing number of patients, the bacteria are not killed by several different antibiotic drugs. Such bacteria are called multi-drug resistant (MDR) bacteria. (ARCHIVE: 1997) (Office of Science Education)
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Research in the News: Serendipity In the Discovery of the Ataxia Telangiectasia Gene (Grades 9-12) - The defective gene in AT is situated on human chromosome #11. In the 50 patients whose genes have been analyzed so far, Shiloh and his coworkers found 43 different mutations that all caused the disease. (ARCHIVE: 1997) (Office of Science Education)
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Research in the News: Xenotransplants - Using Animal Organs To Save Human Lives (Grades 9-12) - Using animal organs and tissues for transplant into human patients promises to help relieve the chronic shortage of suitable donor organs and save human lives. But tissue rejection, and the possibility of transmitting animal pathogens, remain problems. (ARCHIVE: MAY 3, 1999) (Office of Science Education)
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Research in the News: VHL: A Genetic Disease (Grades 9-12) - Cells of people who inherit VHL contain one altered copy of the VHL tumor suppressor gene and one normal copy of that gene. Each copy is called an "allele." As long as the normal allele of the tumor suppressor gene remains normal and works correctly, tumors will not grow. If the second allele is altered, tumor suppression ends in that cell and the disease begins. (ARCHIVE:1997) (Office of Science Education)
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Research in the News: Ulcers - The Culprit Is H. Pylori (Grades 9-12) - Everybody knows that high stress jobs--air traffic controller, bomb squad technician, high-school student--can give you ulcers. But everybody is wrong. Instead, a bacterium called Helicobacter pylori is responsible for the vast majority of ulcers. Most people with ulcers can be successfully treated with antibiotics. (ARCHIVE NOVEMBER 5, 1998) (Office of Science Education)
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Research in the News: Video Game Epilepsy (Grades 9-12) - Video game epilepsy was first documented in early 1980s when the video game boom began. Seizures can be triggered both when one is playing a game and when one is watching someone else play. (ARCHIVE: 1997) (Office of Science Education)
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People Doing Science: Facilitating Xenotransplants (Grades 9-12) - Suzanne Ildstad studies how to make the immune system tolerate transplanted organs tissues--be they from human beings or other animals. She may soon succeed. (ARCHIVE: MAY 20, 1999) (Office of Science Education)
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