Sentences with phrase «studies on chimpanzees»
Repeatedly, biomedical studies on chimpanzees had been approved by review boards and animal care committees.
https://www.scientificamerican.com/ Not exact matches
June 19, 2013 — A Cornell University study offers further proof that the divergence of humans from chimpanzees some 4 million to 6 million years ago was profoundly influenced by mutations to DNA sequences that play roles in turning genes on and off.
Groove patterns on the surface of modern chimpanzee brains throw a monkey wrench into proposals that some ancient southern African hominids evolved humanlike brain characteristics, a new study suggests.
In a study published on Nov. 16, scientists discovered that human brains exhibit more plasticity, propensity to be modeled by the environment, than chimpanzee brains and that this may have accounted for part of human evolution.
In 2001, while studying chimpanzees in the Taï National Park in Ivory Coast as a Ph.D. student, Fabian Leendertz watched an alpha male named Leo vomit, climb up on a low branch, then topple over and die.
Now, in a pair of studies, researchers show that chimpanzees will give up a treat in order to help out an unrelated chimp, and that chimps in the wild go out on risky patrols in order to protect even nonkin at home.
This approach also has limitations as it impedes comparisons with findings in other studies and other species, which is essential if you want to use research on chimpanzees to better understand the evolution of human personality traits.»
After asking an advisory committee to help it carry out IOM's advice, NIH announced last June that it would retire to sanctuaries all but 50 of its 360 research chimpanzees and impose new requirements on any remaining NIH - funded behavioral and biomedical studies.
In 1966 Toshisada Nishida began a study in the Mahale Mountains, 90 miles south of Gombe, and went on to identify the basic social structure of chimpanzee communities.
«It possibly puts a finger on natural selection in the act,» says Pascal Gagneux, an evolutionary biologist at the University of California, San Diego, who has done both genetic analyses of chimpanzees and behavioral studies of wild communities.
A working group advising the National Institutes of Health (NIH) on chimpanzee research today urged that the agency sharply scale back biomedical and behavioral studies involving these animals.
But a new opportunity may be opening up for studies of chimpanzee behavior and cognition: A first - of - its - kind partnership between a sanctuary and a research center, announced this month, is designed to bolster the scientific output of facilities that have until now primarily focused on the long - term care of their animals.
As chimpanzees avoid human contact, CHRISTOPHE BOESCH explains, the research team conducted the study by setting up camera traps to catch chimpanzee behavior on video.
«When we looked at gene expression, we found fairly small changes in 65 million years of the macaque, orangutan, and chimpanzee evolution,» said study author Yoav Gilad, PhD, assistant professor of human genetics at the University of Chicago, «followed by rapid change, along the five million years of the human lineage, that was concentrated on these specific groups of genes.
The neural and cognitive correlates of aimed throwing in chimpanzees: a magnetic resonance image and behavioural study on a unique form of social tool use.
Decades after Jane Goodall made the chimpanzees of Tanzania's Gombe National Park famous, new studies validate her work on primate personalities.
In a new study, released on bioRxiv as an online pre-print, Pollard and her colleagues tested the function of over 700 HARs in early - stage human and chimpanzee neurons.
He's currently working on MHRP Ebola vaccine study RV429, a Phase II chimpanzee adenovirus type 3 Ebola vaccine study being conducted at MHRP's Nigeria site.
After a six - year study of the chimpanzee colony at the Arnhem Zoo, he moved to the U.S. in 1981 to work on other primate species, including bonobos.
I proved during my research study that wild chimpanzees that are habituated to human observers on the ground are tolerant to, and most importantly do not alter their natural behaviors in the presence of, human observers in the canopy.»
I am wondering what your commentary is on the diet of wild adult chimpanzees vs. the nutrient make - up of chimp milk for thier babies... I would thinking looking at the great apes and studying what adults eat in the wild vs. the nutrient makeup of the breast milk would give us an indicator of what we humans should be eating as adult in comparison to our own breast milk make - up.
Project Nim (Unrated) Primate whisperer documentary about a chimpanzee separated from its mother at birth and raised in captivity inside a brownstone located on Manhattan's fashionable Upper West Side as a study in animal behavior.
There have been a ton of previous studies (study, study, study, study) with animal models, including chimpanzees, rats, pigs, rabbits, cats and dogs — all of them suggested the dangers of lack of daily exercise and its detriment on the dog's mental state.
That film has now been edited and will be airing on the BBC this week — the trailer's after the jump.While it seems more like a premise for a bad reality TV show that a scientific study, it turns out it's precisely that — primatologists outfitted the chimps with cameras as part of their research into how chimpanzees perceive the world and one another, according to the BBC.