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There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

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Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Predicted effects of piscivores on planktivore, herbivore, and phytoplankton biomass and production Predicted effects of piscivores on planktivore, herbivore, and phytoplankton biomass and production
Interior nodes represent common ancestors Interior nodes represent common ancestors
Polytomies represent uncertainty about phylogenetic relationships Polytomies represent uncertainty about phylogenetic relationships
The Production of Cytotoxic T-lymphocytes (CTLs) The Production of Cytotoxic T-lymphocytes (CTLs)
Examples of Polypeptide Production from Synthetic mRNAs Examples of Polypeptide Production from Synthetic mRNAs
Production of colorless sectors and reversion of the unstable colorless Production of colorless sectors and reversion of the unstable colorless
Video: Integumentary Anatomy

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