From the Archives: Homo sapiens evolved big brains not so that we could make tools but so that we could keep track of 150 friends and competitors.
This article was originally published at The Conversation and has been republished under Creative Commons.
Modern humans like to live and interact in communities of about 150 people. This magic number is found in the population of Stone Age settlements, villages in the Domesday Book , 18th-century English villages, modern hunter-gatherer societies, Christmas card distribution lists, and even modern Twitter communities—just to name a few examples.
Human ancestors with larger brains would have been better at hunting and gathering food, better at sharing the spoils, and better at fighting off predators.
México Últimas Noticias, México Titulares
Similar News:También puedes leer noticias similares a ésta que hemos recopilado de otras fuentes de noticias.
Nature’s Most Creative CopulatorsFrom the Archives by Anthrofuentes: Why have humans taken mammalian sex to a whole new level?
Leer más »
Arlo Go 2 or Eufy 4G Starlight: which is the best cellular security camera?We put two LTE smart security cameras to the test.
Leer más »
Donald Trump Jr., Ivanka & Eric Trump Share Emotional Tributes to Mother Ivana After Her DeathDonald Trump Jr. also posted a tribute to his mother, whose cause of death was revealed on Friday.
Leer más »
Dreo Pilot Max S Review: a smart fan at an equally smart price | Digital TrendsThe Dreo Pilot Max S smart fan makes it easy to control it from anywhere, but we're not sure that minor convenience justifies the price bump.
Leer más »
Toxic Femininity: When So-Called Allies Curb Your CareerIn an already stressed environment and highly pressured, toxic femininity impacts women’s mental health.
Leer más »
Why Do Humans Sleep? Scientists Find Clues for Solving This Age-Old MysteryNew insights into brain activity when sleeping may help in the creation of tools for those suffering from neurologic disease or damage Why do humans sleep? This issue has been debated by scientists for hundreds of years, but a recent study from Massachusetts General Hospital (MGH) researchers that
Leer más »