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The evolution of human intelligence is closely tied to the evolution of the human brain and to the origin of language. The timeline of human evolution spans approximately seven million years, [ 1 ] from the separation of the genus Pan until the emergence of behavioral modernity by 50,000 years ago.
A series of studies published in 2015 asked meat-eating American and Australian undergraduates to "list three reasons why you think it is OK to eat meat." Over 90% of participants offered reasons which the researchers classified among the "four N's": Appeals to human evolution or to carnivory in nature ("natural")
[47] [48] Brain expansion (enlargement) between 0.8 and 0.2 Ma may have occurred due to the extinction of most African megafauna (which made humans feed from smaller prey and plants, which required greater intelligence due to greater speed of the former and uncertainty about whether the latter were poisonous or not), extreme climate variability ...
Humans (species in the genus Homo) are the only animals that cook their food, and Wrangham argues Homo erectus emerged about two million years ago as a result of this unique trait. Cooking had profound evolutionary effects because it increased food efficiency, which allowed human ancestors to spend less time foraging, chewing, and digesting.
Resistance to malaria is a well-known example of recent human evolution. This disease attacks humans early in life. Thus humans who are resistant enjoy a higher chance of surviving and reproducing. While humans have evolved multiple defenses against malaria, sickle cell anemia—a condition in which red blood cells are deformed into sickle ...
In honor of Black Twitter's contribution, Stacker compiled a list of 20 slang words it brought to popularity, using the AAVE Glossary, Urban Dictionary, Know Your Meme, and other internet ...
Evolutionary anthropologists who study the evolution of human origins and diet use a variety of methods to determine what human ancestors ate. As a starting point comparative analysis of the diets of humans closest living relatives, great apes such as chimpanzees, bonobos and other great apes, though these comparison are limited. Through ...
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