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Author Question: Phylogenetic relationships, when determined solely by the study of comparative morphology, may be ... (Read 69 times) |
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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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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
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There are more bacteria in your mouth than there are people in the world.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.