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1 day ago · These humans spread rapidly along the coast of Asia and reached Australia by around 65,000–50,000 years ago, (though some researchers question the earlier Australian dates and place the arrival of humans there at 50,000 years ago at earliest, while others have suggested that these first settlers of Australia may represent an older wave before ...
7 hours ago · The breeding of white tigers is controversial, as they have no use for conservation. Only 0.001% of wild tigers have the genes for this colour morph, and the overrepresentation of white tigers in captivity is the result of inbreeding. Hence, their continued breeding will risk both inbreeding depression and loss of genetic variability in captive ...
1 day ago · In biology, abiogenesis (from Ancient Greek ἀ- (a-) 'not', βῐ́ος (bíos) 'life', and γένεσις (génesis) 'origin'), or the origin of life, is the natural process by which life has arisen from non-living matter, such as simple organic compounds. The prevailing scientific hypothesis is that the transition from non-living to living ...
7 hours ago · The koala is a robust animal with a large head and vestigial or non-existent tail. [9] : 1 [28] It has a body length of 60–85 cm (24–33 in) and a weight of 4–15 kg (9–33 lb), [28] making it among the largest arboreal marsupials. [29] Koalas from Victoria are twice as heavy as those from Queensland.
7 hours ago · Early life Childhood: 1927–1945 Cesario Estrada Chavez was born in Yuma, Arizona on March 31, 1927. He was named for his paternal grandfather, Cesario Chavez, a Mexican who had crossed into Texas in 1898. Cesario had established a successful wood haulage business near Yuma and in 1906 bought a farm in the Sonora Desert's North Gila Valley. Cesario had brought his wife Dorotea and eight ...
1 day ago · David Michael Letterman (born April 12, 1947) is an American television host, comedian, writer and producer. He hosted late-night television talk shows for 33 years, beginning with the February 1, 1982, debut of Late Night with David Letterman on NBC and ending with the May 20, 2015, broadcast of Late Show with David Letterman on CBS.
