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4 days ago · Evolutionary theory. Brain size tripled in the human lineage over four million years, but why this occurred remains uncertain. Here, to study what caused this brain expansion, I mathematically ...
3 days ago · “Clearly, humans were running into Neanderthals all over the place,” Fernando Villanea, a population geneticist at the University of Colorado Boulder notes, according to Science. “Maybe some of these early interactions were in populations that didn’t leave descendants, but then [about 47,000 years ago] there’s this main event.
5 days ago · Homo sapiens, the species to which all modern human beings belong. Homo sapiens is one of several species grouped into the genus Homo, but it is the only one that is not extinct. See also human evolution. The name Homo sapiens was applied in 1758 by the father of modern biological classification (see taxonomy), Carolus Linnaeus.
2 days ago · Futurology. Political history. ↓ Future. v. t. e. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers. They migrated out of Africa during the Last Ice Age and had populated most of the Earth by the end of the Ice Age 12,000 years ago.
6 days ago · Figure 1a: While on board HMS Beagle, Charles Darwin collected numerous specimens, many new to science, which supported his later theory of evolution by natural selection. The simplest and most powerful evidence is provided by phylogenetic reconstruction .
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2 days ago · Ronald Cohn, M.D., Ph.D., President and CEO, Hospital for Sick Children, is an outstanding clinician scientist devoted to discovering new diagnostic and treatment options for pediatric disease and an accomplished scientist dedicated to muscular dystrophies. Research in his laboratory focuses on utilizing genome editing technologies like CRISPR ...
2 days ago · Human evolution. From his early transmutation notebooks in the late 1830s onwards, Darwin considered human evolution as part of the natural processes he was investigating, and rejected divine intervention.
