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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 1990 times) |
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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.