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The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago down to recent evolution within H. sapiens during and since the Last Glacial Period . It includes brief explanations of the various taxonomic ranks in ...
Late Devonian: 375 million years ago, 75% of species lost, including most trilobites. End Permian, The Great Dying: 251 million years ago, 96% of species lost, including tabulate corals, and most trees and synapsids. End Triassic: 200 million years ago, 80% of species lost, including all conodonts. End Cretaceous: 66 million years ago, 76% of ...
This timeline of prehistory covers the time from the appearance of Homo sapiens approximately 315,000 years ago in Africa to the invention of writing, over 5,000 years ago, with the earliest records going back to 3,200 BC. Prehistory covers the time from the Paleolithic (Old Stone Age) to the beginning of ancient history .
Expansion of early modern humans from Africa. The Upper Paleolithic (or Upper Palaeolithic) is the third and last subdivision of the Paleolithic or Old Stone Age.Very broadly, it dates to between 50,000 and 12,000 years ago (the beginning of the Holocene), according to some theories coinciding with the appearance of behavioral modernity in early modern humans, [1] until the advent of the ...
The comet hasn’t come this close to Earth for 50,000 years, supposedly, because the orbital period is said to be about that length. That means the last time it would have been visible from Earth ...
Any reply will take at least another 25,000 years from the time of its transmission (assuming no faster-than-light communication). 14 September 30,828 CE Maximum system time for 64-bit NTFS-based Windows operating system. [172] 33,800 Pioneer 10 passes within 3.4 light-years of Ross 248. [173] 42,200 Voyager 2 passes within 1.7 light-years of ...
After 50,000 hours, this AI can play Pokémon Red. Almost 10 years ago, the online phenomenon “ Twitch Plays Pokémon ” convened over a million people to play Pokémon Red at the same time ...
The population brought to South Asia by coastal migration appears to have remained there for some time, during roughly 60,000 to 50,000 years ago, before spreading further throughout Eurasia. This dispersal of early humans, at the beginning of the Upper Paleolithic , gave rise to the major population groups of the Old World and the Americas .