Add BrightSurf on Google Email

Hunter-gatherers have a special way with smells

A new study found that hunter-gatherer groups, such as the Semaq Beri, excel at naming odors with ease, while non-hunter-gatherer groups, like the Semelai, struggle. The researchers suggest that cultural practices may play a role in shaping olfactory cognition.

SourceCell Press·JournalCurrent Biology·DateJan 18, 2018

Uncovering varied pathways to agriculture

A team of scientists and archaeologists has discovered a 15,000-year-old Natufian site in Jordan that pushes back the timeline for permanent settlement in the region. The site's early dates suggest that hunter-gatherers were more versatile than previously thought and had multiple pathways to agriculture.

SourceWeizmann Institute of Science·JournalScientific Reports·DateDec 7, 2017

Modern hunter-gatherers show value of exercise

The Hadza people, an indigenous ethnic group in Tanzania, engage in significantly more physical activity than recommended by US government standards. Their lifestyle, characterized by regular hunting and gathering, is associated with extremely low risk of cardiovascular disease.

SourceUniversity of Arizona·JournalAmerican Journal of Human Biology·DateNov 28, 2016

As life expectancy grows, men still lagging

A new study of mortality patterns in humans, monkeys, and apes reveals that men have yet to catch up with women in terms of life expectancy. Despite advances in medicine and public health, the gender gap remains unchanged, with females outliving males across all primate species.

SourceDuke University·JournalProceedings of the National Academy of Sciences·DateNov 21, 2016

Humans evolved to get better sleep in less time

Researchers found that humans are exceptionally short sleepers, getting an average of seven hours of sleep per night, whereas other primates need up to 17 hours. Human sleep is also more efficient, spending less time in light stages and more in deeper stages.

SourceDuke University·JournalEvolutionary Anthropology Issues News and Reviews·DateDec 14, 2015

Engraved schist slab may depict paleolithic campsites

A 13,000-year-old engraved schist slab discovered in Spain is believed to represent a human social group. The authors analyzed the morphology of the engraved motifs and suggest that they were created using a similar technique and instrument, depicting everyday life.

SourcePLOS·JournalPLOS ONE·DateDec 2, 2015

Ancient genomes link early farmers to Basques

A team of researchers has discovered that early Iberian farmers are the closest ancestors to modern-day Basques, contradicting previous hypotheses. The study also reveals that farming was brought to Iberia by groups migrating to northern and central Europe, leading to admixture with local hunter-gatherer populations.

SourceUppsala University·JournalProceedings of the National Academy of Sciences·DateSep 7, 2015

Access to electricity is linked to reduced sleep

Research comparing traditional hunter-gatherer communities with and without access to electricity reveals that those with electricity sleep an average of one hour less per night than those without. The study suggests that artificial light disrupts humans' natural circadian clock and sleep-wake cycle, leading to shorter nights.

SourceUniversity of Washington·JournalJournal of Biological Rhythms·DateJun 19, 2015

Firelight talk of the Kalahari Bushmen

A University of Utah study suggests that stories told over firelight helped human culture and thought evolve by reinforcing social traditions and promoting harmony. Researchers analyzed scores of daytime and firelight conversations among !Kung Bushmen, finding that nighttime discussions involved more storytelling and imaginative thought.

SourceUniversity of Utah·JournalProceedings of the National Academy of Sciences·DateSep 22, 2014

New branch added to European family tree

A new study by Harvard Medical School and University of Tübingen reveals that present-day Europeans descend from three ancestral groups: Ancient North Eurasians, Basal Eurasians, and Near Eastern farmers. Genetic analysis found that Northern Europeans have more hunter-gatherer ancestry while Southern Europeans have more farmer ancestry.

SourceHarvard Medical School·JournalNature·DateSep 17, 2014

Genetic study pushes back timeline for first significant human population expansion

A recent genetic study challenges the long-held assumption that the Neolithic age marked the beginning of a global population explosion. Researchers found evidence of significant human population expansion dating back to the Paleolithic era, around 60,000-80,000 years ago.

Hot flashes? Thank evolution

A study comparing mortality and fertility patterns among wild apes and monkeys to humans shows that human females are unique in living beyond their childbearing years. Half of women experience menopause by age 50, and fertility declines earlier than the rest of the body.

SourceDuke University Medical Center·JournalProceedings of the National Academy of Sciences·DateJul 29, 2013

Skeletons in cave reveal Mediterranean secrets

Researchers discovered that modern humans first settled in Sicily around the time of the last ice age, with a diet consisting mainly of terrestrial animals. Genetic analysis revealed the peopling of Sicily occurred at 19,000-26,500 years ago, when sea levels were low enough to expose a land bridge.

SourcePLOS·JournalPLOS ONE·DateNov 28, 2012