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TODAY IN HISTORY

    SOVIET UNION WORLD'S LARGEST NUCLEAR BOMB
    October 30, 1961 - Soviet Union

    The Soviet Union has exploded the world's biggest bomb so far nearly 4,000 times more powerful than the atomic bomb dropped on Hiroshima in 1945. This is the latest in a series of larger and larger bombs the Soviets have been exploding over the last few years. The United Nations is appealing to both the US and the Soviet Union to end the arms race or risk destroying the planet.

    ANGIOGRAM
    October 30, 1958 - Cleveland Clinic, U.S.A.

    The first coronary angiogram was performed, unintentinally, by Dr. F. Mason Sones, Jr. (1919-1985), a pediatric cardiologist at the Cleveland Clinic. This diagnostic x-ray procedure uses dye injected to visualize blockages of the small nutrient arteries of the heart. Earlier studies on dog showed use of the the dye in coronary arteries caused heart fibrillation, so it was never tried on humans. While intending to dye a patient's diseased vessels by injecting dye only near their openings, on this occasion, the catheter insertion had inadvertently strayed into the patient's coronary artery, and about 30 cc of the dye went into the artery. Fortunately, expected heart fibrillation (requiring the opening of the patient's chest to treat) did not occur. Hence the dye could in fact be used safely, especially if in lower amounts.

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The National Rifle Association is America's foremost defender of Second Amendment rights. Since its inception in 1871, it has also been the premier firearms education organization in the world. Pur...
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Search Office Space was founded in 1993 by Richard Smith in order to bring together all elements of the serviced office space market into one convenient single point of contact, with clients having...
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My Guardians provide UK Guardianship Services & advice to parents & children worldwide on how to obtain guardianship & schooling in the UK.
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Offers vintage look chains, clasps and earring findings, jewelry stampings, tools and glue.
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A lots of free online games and other free games are available at kidztar. Therefore it is the best place for your kid's entertainment.
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