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Does blood pressure increase when standing?
by Answerbag Staff on May 15th, 2011
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When Were Hypodermic Needles Invented?
by Answerbag Staff on April 30th, 2011
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When Were Hypodermic Needles Invented?
by Answerbag Staff on February 1st, 2011
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was the first human evolved from a chimp, how long did he/she wait to have sex in order to make more humans?
by gino on December 7th, 2011
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Is nature really smarter than we are?
by WABOO on December 2nd, 2011
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