Month: June 2008
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Down’s syndrome and hearing problem
Down syndrome is a chromosomal abnormality caused by an additional (third) chromosome 21 or “trisomy 21.” Down syndrome is associated with mental retardation, a characteristic facial appearance, and poor muscle tone (hypotonia). This occurs in approximately 1 in every 900 births. Down syndrome is not inherited; it does not “run in families.” John Langdon Down,…
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Bluetooth – Was his tooth really blue?
Blue tooth King Harald Bluetooth ruled Denmark between 940 and 985 A.D. Bluetooth was actually “BlÃ¥tand” in old Viking language, which meant “dark complexion” – he had unusually dark hair for a Viking. His legacy was that he united Denmark and Norway and also brought Christianity to Scan-dinavia. He left a large monument, the Jelling…
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Can mobile phone usage cause male infertility?
RF Radiation from the mobile phones could cut male sperm production by a third, researchers from the University of Szeged, Hungary told the European Society of Human Reproduction and Embryology. Of the remaining sperm exposed to mobile phone emissions, high numbers were found to be swimming abnormally, reducing the chances of fertilization in a woman’s…