An individual human can maintain stable social relationships with about 150 people. This is the proposition known as "Dunbar's number"—that the architecture of the human brain sets an upper limit on our social lives. A ...
Plants & Animals
May 4, 2021
1
369
In the face of threats from other groups, humans become more cohesive and cooperative with their own, an association that Charles Darwin suggested could be an evolved capacity. Now a research group at Kyoto University has ...
Plants & Animals
Feb 24, 2021
0
84
Behavioral flexibility enables species to adapt to uncertainty and changing ecological conditions via mechanisms such as innovation and greater cognitive capacity. Indeed, large brained species of birds or nonhuman primates ...
Plants & Animals
Sep 15, 2020
0
220
Scientists have discovered that the larynx, or voice box, of primates is significantly larger relative to body size, has greater variation, and is under faster rates of evolution than in other mammals.
Plants & Animals
Aug 11, 2020
3
868
One of the most promising theories for the evolution of human speech has finally received support from chimpanzee communication, in a study conducted by a group of researchers led by the University of Warwick.
Plants & Animals
May 26, 2020
4
857
The microbiome of our ancestors might have been more important for human evolution than previously thought, according to a new study published in Frontiers in Ecology and Evolution. An adaptive gut microbiome could have been ...
Evolution
Feb 19, 2020
1
509
A UTSA researcher has discovered that, whether in a pair or in groups, success in primate social systems may also provide insight into organization of human social life.
Plants & Animals
Feb 3, 2020
0
167
Communication gestures used by humans and our primate relatives are providing clues about how our species' ability to use spoken language evolved.
Evolution
Aug 20, 2019
0
175
Researchers have used fossilized teeth found near Lake Turkana in northwest Kenya to identify a new monkey species—a discovery that helps fill a 6-million-year gap in primate evolution.
Paleontology & Fossils
May 15, 2019
0
556
Fossil hunters have found part of an ancient primate jawbone related to lemurs—the primitive primate group distantly connected to monkeys, apes and humans, a USC researcher said.
Evolution
Feb 27, 2017
0
1284
