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Hace 2 días · Harriet Tubman (born Araminta Ross, c. March 1822 [1] – March 10, 1913) was an American abolitionist and social activist. [2] [3] After escaping slavery, Tubman made some 13 missions to rescue approximately 70 enslaved people, including her family and friends, [4] using the network of antislavery activists and safe houses known collectively ...
Hace 5 días · Lyell and Hooker agreed that a joint publication putting together Wallace's pages with extracts from Darwin's 1844 Essay and his 1857 letter to Gray should be presented at the Linnean Society, and on 1 July 1858, the papers entitled On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection, by Wallace and Darwin respectively ...
Hace 2 días · albanyny.gov. Albany ( / ˈɔːlbəni / ⓘ AWL-bə-nee) is the capital and oldest city in the U.S. state of New York and the seat of and the most populous city in the county of the same name. It is located on the west bank of the Hudson River, about 10 miles (16 km) south of its confluence with the Mohawk River, 135 miles (220 km) north of New ...
Hace 1 día · 1857: The phonautograph, the earliest known device for recording sound is patented and invented by Frenchman Édouard-Léon Scott de Martinville. 1859: Gaston Planté invents the lead acid battery , the first rechargeable battery .
Hace 4 días · Great Expectations at Wikisource. Great Expectations is the thirteenth novel by Charles Dickens and his penultimate completed novel. It depicts the education of an orphan nicknamed Pip (the book is a Bildungsroman, a coming-of-age story). It is Dickens' second novel, after David Copperfield, to be fully narrated in the first person.
Hace 5 días · Two mitochondria from mammalian lung tissue displaying their matrix and membranes as shown by electron microscopy. A mitochondrion ( / ˌmaɪtəˈkɒndriən /; [1] pl.: mitochondria) is an organelle found in the cells of most eukaryotes, such as animals, plants and fungi.
Hace 3 días · Mother's Day, Parents' Day. Children's Day is a commemorative date celebrated annually in honor of children, whose date of observance varies by country. In 1925, International Children's Day was first proclaimed in Geneva during the World Conference on Child Welfare. Since 1950, it is celebrated on June 1 in many Second World countries. [1]
