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  2. Sustainability at American colleges and universities - Wikipedia

    en.wikipedia.org/wiki/Sustainability_at_American...

    The geothermal pump costs the university $1.2 million but saves the university on average $90,000 a year. The pump also helps the environment due to 40%-60% less energy being used compared to a standard heat pump. [26]

  3. Chernobyl disaster - Wikipedia

    en.wikipedia.org/wiki/Chernobyl_disaster

    50 to 60% of all core radioiodine in the reactor, about 1760 PBq (1760 × 10 15 becquerels), or about 0.4 kilograms (0.88 lb), was released, as a mixture of sublimed vapour, solid particles, and organic iodine compounds. Iodine-131 has a half-life of 8 days.

  4. Alcohol by volume - Wikipedia

    en.wikipedia.org/wiki/Alcohol_by_volume

    The alcohol by volume shown on a bottle of absinthe. Alcohol by volume (abbreviated as alc/vol or ABV) is a standard measure of the volume of alcohol contained in a given volume of an alcoholic beverage, expressed as a volume percent.

  5. Magnesium - Wikipedia

    en.wikipedia.org/wiki/Magnesium

    An adult body has 22–26 grams of magnesium, [15] [113] with 60% in the skeleton, 39% intracellular (20% in skeletal muscle), and 1% extracellular. [15] Serum levels are typically 0.7–1.0 mmol/L or 1.8–2.4 mEq /L. Serum magnesium levels may be normal even when intracellular magnesium is deficient.

  6. Steel - Wikipedia

    en.wikipedia.org/wiki/Steel

    Steel is one of the world's most-recycled materials, with a recycling rate of over 60% globally; [3] in the United States alone, over 82,000,000 metric tons (81,000,000 long tons; 90,000,000 short tons) were recycled in the year 2008, for an overall recycling rate of 83%.

  7. Association football - Wikipedia

    en.wikipedia.org/wiki/Association_football

    The ball is spherical with a circumference of between 68 and 70 cm (27 and 28 in), a weight in the range of 410 to 450 g (14 to 16 oz), and a pressure between 0.6 and 1.1 standard atmospheres (8.5 and 15.6 pounds per square inch) at sea level. In the past the ball was made up of leather panels sewn together, with a latex bladder for ...

  8. 2016 United Kingdom European Union membership referendum ...

    en.wikipedia.org/wiki/2016_United_Kingdom...

    James Dyson, founder of the Dyson company, argued in June 2016 that the introduction of tariffs would be less damaging for British exporters than the appreciation of the pound against the Euro, arguing that, because Britain ran a 100 billion pound trade deficit with the EU, tariffs could represent a significant revenue source for the Treasury ...

  9. Endometriosis - Wikipedia

    en.wikipedia.org/wiki/Endometriosis

    Other symptoms include chronic fatigue, nausea and vomiting, migraines, low-grade fevers, heavy (44%) and/or irregular periods (60%), and hypoglycemia. [ 25 ] [ 32 ] [ 26 ] Endometriosis is associated with certain types of cancers, notably some types of ovarian cancer , [ 33 ] non-Hodgkin's lymphoma and brain cancer . [ 34 ]