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Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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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.

Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor
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In older adults, higher education is related to higher levels of ego development. In older adults, higher education is related to higher levels of ego development.
Community colleges have opened higher education to millions of students who would not otherwise have ... Community colleges have opened higher education to millions of students who would not otherwise have ...
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The most commonly used socket drive sizes include 1/4, 3/8, and 1/2 inch drives. The most commonly used socket drive sizes include 1/4, 3/8, and 1/2 inch drives.
Video: Interspecific Competition Relationship - Competitive & Niche Differentiation

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