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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.