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They reduce fuel needs by 20-75% and drastically cut dangerous smoke and fumes. [31]: 42 As of 2016, no widely-available biomass stoves meet the standards for clean cooking as defined by the WHO. [32] A 2020 review found only one biomass stove on the market that met WHO standards in field conditions. [18]
Particularly dangerous were the highly radioactive fission products, those with high nuclear decay rates that accumulate in the food chain, such as some of the isotopes of iodine, caesium and strontium. Iodine-131 was and caesium-137 remains the two most responsible for the radiation exposure received by the general population.
The key areas of controversy related to genetically modified food (GM food or GMO food) are whether such food should be labeled, the role of government regulators, the objectivity of scientific research and publication, the effect of genetically modified crops on health and the environment, the effect on pesticide resistance, the impact of such ...
A 1930s exhibit by the Eugenics Society.Some of the signs read "Healthy and Unhealthy Families", "Heredity as the Basis of Efficiency" and "Marry Wisely".Eugenics (/ j uː ˈ dʒ ɛ n ɪ k s / yoo-JEN-iks; from Ancient Greek εύ̃ (eû) ' good, well ' and -γενής (genḗs) ' born, come into being, growing/grown ') [1] is a set of beliefs and practices that aim to improve the genetic ...
2012 phenomenon – a range of eschatological beliefs that cataclysmic or otherwise transformative events would occur on or around 21 December 2012. This date was regarded as the end-date of a 5,126-year-long cycle in the Mesoamerican Long Count calendar and as such, festivities to commemorate the date took place on 21 December 2012 in countries where the Maya civilization had formerly ...
Those failures ultimately resulted in bacterial problems in Flint's water, potentially dangerous disinfectant byproducts, the corrosion of the city's water distribution system, and high lead levels." [ 350 ] On May 28, 2019, Veolia denied responsibility for the crisis, instead blaming state and location officials for the crisis, and filed a ...
By 1875 the Ottoman Navy had become the third largest in the world and expansion of the mines attracted workers from outside the area, despite the dangerous conditions. [17] The mines in Zonguldak were shelled by Russia during World War I (WW1) to disrupt coal supply to Ottoman and German ships. [18]