Hacker News with Generative AI: Primates

Chimpanzees act as 'engineers', choosing materials to make tools (sciencedaily.com)
Researchers have discovered that chimpanzees living in Gombe Stream National Park in Tanzania employ a degree of engineering when making their tools, deliberately choosing plants that provide materials that produce more flexible tools for termite fishing.
Animal Behavior, Primates, Tool Use, Engineering
93 points by docmechanic 9 days ago | 68 comments
Bonobos recognize when humans are ignorant, try to help (arstechnica.com)
A lot of human society requires what's called a "theory of mind"—the ability to infer the mental state of another person and adjust our actions based on what we expect they know and are thinking.
Animal Behavior, Psychology, Primates
3 points by LinuxBender 58 days ago | 0 comments
Chimpanzees' stone tool choices may mirror ancient human ancestors' techniques (phys.org)
An international team of paleobiologists, anthropologists and behavioral scientists has found that the process used by modern chimps to select tools for cracking nuts may be similar to how ancient human ancestors chose their tools.
Chimpanzees, Archaeology, Primates, Tool Use, Ancient Humans
35 points by pseudolus 89 days ago | 22 comments
The Human Brain in Numbers: A Linearly Scaled-Up Primate Brain (nlm.nih.gov)
The human brain has often been viewed as outstanding among mammalian brains: the most cognitively able, the largest-than-expected from body size, endowed with an overdeveloped cerebral cortex that represents over 80% of brain mass, and purportedly containing 100 billion neurons and 10× more glial cells.
Neuroscience, Biology, Human Brain, Evolution, Primates
8 points by robertclaus 191 days ago | 0 comments
Marmoset Monkeys Use Unique Calls to Name Each Other (neurosciencenews.com)
Animal Behavior, Communication, Primates
5 points by yyyk 213 days ago | 0 comments
Marmosets use specific 'names' for one another, study finds (theguardian.com)
Animal Behavior, Primates, Research, Communication
8 points by hackernj 216 days ago | 0 comments