Sentences with phrase «by other chimps»
Consider that chimpanzees utter laughlike sounds when they are being chased by other chimps, and as with human children, the one being chased is the one who laughs.
https://www.scientificamerican.com/ Not exact matches
According to the social theory of intelligence articulated by N. K. Humphrey and Jane Goodall, complex brains blossom in complex social settings; chimps and dolphins have to be smart to read the intentions of other chimps and dolphins.
«It was striking that this behaviour was seen in some adult females, but never after they became mothers,» says Kahlenberg, adding that the chimps learned the behaviour by copying other juveniles.
Highly social by nature, they should live with other chimps and in a stimulating environment with room to move around.
By comparing our genetic make - up to the genomes of mice, chimps and a menagerie of other species (rats, chickens, dogs, pufferfish, the microscopic worm Caenorhabditis elegans, the fruit fly Drosophila melanogaster and many bacteria), scientists have learned a great deal about how genes evolve over time, and gained insights into human diseases.
By cloning the virus and producing it in the laboratory, Ertl and her colleagues say they circumvent the danger of transmitting other chimp viruses along with the adenovirus.
By applying social network analysis — the mathematical theory behind Facebook that explains how different individuals are connected — Rushmore found that high - ranking mothers and their juveniles (as well as high - ranking males) were most likely to transmit diseases to other chimps because everyone in the community wants to be with them.
In Pansy's case, zookeepers decided to allow the other chimps to stay with her as she died, while a research team, led by psychologist James Anderson of the nearby University of Stirling, observed their reactions.
This echoes prior research by Dr Newton - Fisher which found that if a larger number of other chimpanzees are nearby then, regardless of rank, the grooming chimp would usually stop grooming sooner than if there were no other chimps nearby, or a small number.
«It could be protective, and it could be quickly checked by looking at all the other chimp populations that harbor SIVcpz.»
But experiments to determine whether chimps and other primates do engage in selfless behavior have been plagued by methodological problems and arguments about how they should be interpreted.
Her detailed daily records of individual chimpanzees — maintained these days by other primatologists and field assistants — resulted in the first chimp personality portraits, as well as startling discoveries of chimpanzee tool use, hunting practices, and even murder.
Using databases created by other labs, the Duke University scientists cross-checked areas of human DNA that had developed differences from chimp DNA with areas of DNA they expected to be important for gene regulation.
The researchers eliminated the possibility that the marking behavior had some other significance, such as the «marker» chimp trying to self - protect by keeping an eye on both the threat and the troop mate.
Interestingly, they also found that the better throwing chimps didn't appear to posses any more physical prowess than other chimps, which the researchers suggest means that throwing didn't develop as a means of hunting, but as a form of communication within groups, i.e. throwing stuff at someone else became a form of self expression, which is clearly evident to anyone who has ever been targeted by a chimp locked up in a zoo.