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Excessive alcohol use costs the country approximately $235 billion every year.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Gomphidae is an Odonata family that contains about 90 genera and 900 species. They are commonly refe Gomphidae is an Odonata family that contains about 90 genera and 900 species. They are commonly refe
Diversity within the family structure. Diversity within the family structure.
PRIMATE FAMILY TREE PRIMATE FAMILY TREE
Four pieces of evidence that the reticular formation is involved in sleep. Four pieces of evidence that the reticular formation is involved in sleep.
Family interactive style predicts academic achievement in high school Family interactive style predicts academic achievement in high school
Video: Four Giant Convection Cells oF Earth

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