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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

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

The colors of peppers are determined by the interaction of several genes The colors of peppers are determined by the interaction of several genes
Cultural Variations in the Strange Situation Across cultures, most toddlers exhibit secure attachme Cultural Variations in the Strange Situation Across cultures, most toddlers exhibit secure attachme
Many ideologies stem from older theories. The ideas of the philosophers are simplified. Ideologies Many ideologies stem from older theories. The ideas of the philosophers are simplified. Ideologies
Drugs can be classified as prescription or over-the-counter (OTC) drugs Drugs can be classified as prescription or over-the-counter (OTC) drugs
Determined the magnitude of the magnetic force on the conductor. Determined the magnitude of the magnetic force on the conductor.
Chloroplast segregation determined by mating type in Chlamydomonas Chloroplast segregation determined by mating type in Chlamydomonas
Video: Introduction to Tuberculosis

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