In 2013, an ASU research team found the oldest known evidence of our own genus, Homo, at Ledi-Geraru in the lower Awash Valley of Ethiopia. A jawbone with teeth was dated to 2.8 million years ago, about 400,000 years earlier ...
Archaeology
May 15, 2017
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898
The modern human face is distinctively different to that of our near relatives and now researchers believe its evolution may have been partly driven by our need for good social skills.
Archaeology
Apr 15, 2019
20
872
A study of the dental wear of 106 individuals buried in the Castellón Alto archaeological site (Granada, Spain) found that only women used their anterior teeth as tools to make threads and cords
Archaeology
Nov 3, 2020
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627
We know the benefits of laughter on health. But why do we laugh? What are the evolutionary origins of laughter and humour? Steven Légaré has asked these questions and has made them the subject of his master's thesis, which ...
Social Sciences
Mar 27, 2013
1
1
A groundbreaking new research project has analyzed the evolution of the placental mammal skull using 3D scans of 322 specimens housed in more than 20 international museum collections, and crafted a new model of how mammals ...
Evolution
Oct 28, 2022
0
380
(Phys.org)—Researchers from Scotland suggest that stereotypes form and evolve over time through social transmission of information, similar to the way in which languages evolve.
Contests, threats, or ignoring one another: The relationships between male mammals are usually described in this or a similar way. The situation is quite different in humans where strong partnerships and close ties between ...
Evolution
Sep 10, 2014
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0
(PhysOrg.com) -- Food production of modern human societies is mostly based on large-scale monoculture crops, but it now appears that advanced insect societies have the same practice. Our societies took just ten thousand years ...
Plants & Animals
Nov 20, 2009
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0
Mercenary soldiers are notoriously unreliable because their loyalty is as thin as the banknotes they get paid, and they may turn against their employers before moving on to the next dirty job. Not so in fungus-farming ants, ...
Plants & Animals
Sep 9, 2013
1
0
Believe it or not—it's in our nature to cooperate with one another, even when cheating may be more profitable. Social cooperation is common in every scale of life, from the simplest bacterial films and multicellular tissues ...
Cell & Microbiology
May 22, 2018
0
562
