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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Mixing bacterial genotypes produces rare recombinants Mixing bacterial genotypes produces rare recombinants
Faulty outlooping produces F?, an F plasmid that contains chromosomal DNA Faulty outlooping produces F?, an F plasmid that contains chromosomal DNA
Faulty outlooping produces lambda phage containing bacterial DNA Faulty outlooping produces lambda phage containing bacterial DNA
Lacrimal structures of the eye. Lacrimal structures of the eye.
Speciation produces new types of organisms Speciation produces new types of organisms
Anterior view of the lacrimal apparatus Anterior view of the lacrimal apparatus
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