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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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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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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.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.