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Hace 4 días · Colorized scanning electron micrograph of a human neutrophil ingesting MRSA. Methicillin-resistant Staphylococcus aureus ( MRSA) is a group of gram-positive bacteria that are genetically distinct from other strains of Staphylococcus aureus. MRSA is responsible for several difficult-to-treat infections in humans.
Hace 5 días · Branwell Brontë, self-portrait, 1840. The Brontës ( / ˈbrɒntiz /) were a nineteenth-century literary family, born in the village of Thornton and later associated with the village of Haworth in the West Riding of Yorkshire, England. The sisters, Charlotte (1816–1855), Emily (1818–1848) and Anne (1820–1849), are well-known poets and ...
Hace 3 días · Signature. John Caldwell Calhoun ( / kælˈhuːn /; [1] March 18, 1782 – March 31, 1850) was an American statesman and political theorist who served as the seventh vice president of the United States from 1825 to 1832. Born in South Carolina, he adamantly defended American slavery and sought to protect the interests of white Southerners.
Hace 12 horas · Iranian politicians killed in the 2024 Varzaqan helicopter crash: [136] Mohammad Ali Ale-Hashem, 61, representative of the Supreme Leader in East Azerbaijan (since 2017) Hossein Amir-Abdollahian, 60, minister of foreign affairs (since 2021), ambassador to Bahrain (2007–2010)
Hace 1 día · George Washington (February 22, 1732 – December 14, 1799) was an American Founding Father, military officer, and politician who served as the first president of the United States from 1789 to 1797. Appointed by the Second Continental Congress as commander of the Continental Army in 1775, Washington led Patriot forces to victory in the ...
Hace 1 día · RU. Internet TLD. .ru. .рф. Russia, [b] or the Russian Federation, [c] is a country spanning Eastern Europe and North Asia. It is the largest country in the world by area, extending across eleven time zones and sharing land borders with fourteen countries. [d] It is the world's ninth-most populous country and Europe's most populous country.
Hace 2 días · Indoor air quality ( IAQ) is the air quality within buildings and structures. Poor indoor air quality due to indoor air pollution is known to affect the health, comfort, and well-being of building occupants. It has also been linked to sick building syndrome, respiratory issues, reduced productivity, and impaired learning in schools.
