Sentences with phrase «that chimpanzees»

If NIH follows through on the report, «Clearly there is going to be a reduction in the use of chimpanzees in research,» said veterinary researcher K. C. Kent Lloyd of the University of California, Davis, who chaired the working group of the NIH Council of Councils, to reporters.

(Hugo van Lawick National Geographic Films / Abramorama) Jane Goodall interacts with David Greybeard, the first chimp to lose its fear of the naturalist in her studies of chimpanzees in Gombe, Tanzania.

The non-mechanistic student of animal behavior tries to study animals in their complex relations with a complex world, as Goodall (1971, 1986) has done with chimpanzees in Gombe Reserve and as Donald R. Griffin (1976, 1984) has proposed.

The NCBR collection includes intact fixed specimens, as well as histologically - prepared sections from chimpanzee brains.

For the study, biologists followed a group of wild chimpanzees for two years, charting their social ties and periodically testing their urine for chemicals that indicate stress.

Following a congressional inquiry, the NIH last year asked the Institute of Medicine (IOM) and National Research Council to form a committee to review the current and future need for chimpanzees in research.

The new study undercuts a long - standing idea that Stone Age hunter - gatherers clustered among close kin, with men forming alliances and guarding home territories against competing groups, much as chimpanzees now do.

I am struck by parallels with the case of biomedical research on chimpanzees at the National Institutes of Health, which in 2011 was deemed «unnecessary» by an independent Institute of Medicine review.

[Kimberley J. Hockings et al, Tools to tipple: ethanol ingestion by wild chimpanzees using leaf - sponges]

Then just four months ago, a team of researchers reported that they had likewise sequenced the complete chimpanzee genome.

«This is the beginning of the end of chimpanzee research,» says John Pippin, director of academic affairs at the Physicians Committee for Responsible Medicine, an animal - advocacy group in Washington, D.C. «There were very few areas [of research] that they left open.»

SIGLEC11 is expressed in human but not in chimpanzee brain microglia.

Frans Plooij was a graduate student at the University of Groningen in the Netherlands in 1971 when he went to the Gombe National Park in Tanzania to study chimpanzee migration with his new wife, Hetty van de Rijt - Plooij.

Among young chimpanzees who have been taught sign language, tickling is a frequent topic of conversation.

The postdoc, Emily Wroblewski, had joined Parham's microbiology and immunology group at Stanford University in Palo Alto, California, after doing behavioral studies of wild chimpanzees at Gombe Stream National Park in Tanzania.

«Female chimpanzees don't fight for «queen bee» status: Study of social rank in wild chimps shows striking differences between the sexes.»

What, if any, research should continue with captive chimpanzees?

Young female chimpanzees showed much more diverse object manipulation types,» she said.

«Some of the gestures involved are reminiscent of those used by chimpanzees when they use stones to break open nuts.»

Common chimpanzee groups are manifestly patriarchal.

«As young chimpanzees get older they switch to manipulating predominantly sticks, which in this community is the tool type used by adults to harvest army ants,» Koops explained.

We are 96 % genetically identical to pigs and about 98 % genetically identical to the larger apes like Chimpanzees and Orangutans.

-- Sarah Baeckler, Executive Director of Chimpanzee Sanctuary Northwest

Aggressive male chimpanzees who use their strength to sexually intimidate females sire more offspring than more passive males, a new study has found.

AFTER a pet chimpanzee named Travis severely mauled a Connecticut woman in February, police wanted an explanation.

Their argument rests on examples in which one chimp learns from another, and on the seemingly arbitrary differences in habits between chimpanzee groups at different sites.

«You get the sense that it's really close to the branching point [the last common ancestor between chimpanzees and hominids].»

The types most similar to HIV appeared in chimpanzees living in the African country of Cameroon.

DNA sequence data shows that closely related but biologically wholly isolated species share a huge proportion of their DNA, often more than 99 percent (humans and chimpanzees share about 99 percent of their genomes).

Perhaps the mechanisms that allow collective action among chimpanzees served as building blocks for the subsequent evolution of even more sophisticated cooperation later in human evolution.»

«My observations from wild chimpanzees show that while unexpectedly encountering a snake or snake model may trigger a startle response, they often then investigate the snake, but do not necessarily show signs of fear,» Crockford said.

Her blindness makes social interaction with other chimpanzees difficult, but not impossible.

Little is known about chimpanzee birth in the wild because only five births have ever been observed, says Hitonaru Nishie at Kyoto University in Japan.

One City in Two Continents, Europe and AsiaWorld Map, City Map, Travel Itinerary, Modes of TransportationEverything needed for an educational travel adventure, including a pet chimpanzee who gets lost in almost every city the family visits.

«We initiated the Great Ape Aging Project 20 years ago because we saw an aging chimpanzee population under human care that would need geriatric attention for disorders similar to those affecting aging humans,» said Joseph Erwin, Ph.D., research professor of anthropology at the George Washington University.

They are also the least known of the great apes (which in addition to bonobos includes chimpanzees, orangutans, and gorillas), and remained unidentified as a separate species until 1933.

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.

The team showed that most of the human and chimpanzee versions of HARs behaved differently.

Hybrids, those with at least five percent of their DNA from more than one common chimpanzee population were rare, with most of the hybrid chimps born in captivity.

The observation provides an obvious clue as to why chimpanzee mothers tend to hide away to give birth, he says.

When chimpanzee infants are cradled by their mothers 100 % of the time, they cry less than when they are held by the moms only 25 % of the time (Bard 2004).

This includes utilizing a modified chimpanzee virus as a vaccine carrier to induce an immune response against HIV, and a new therapeutic vaccine against human papillomavirus (HPV), a leading cause of cervical cancer.

As with the children, a significant number of chimpanzees made an effort to witness the disliked keeper being punished.

Human infants are born with a brain that is only a quarter of its adult volume (compared to 50 % for infant chimpanzees and gorillas) due to the constraints of a birth canal that has been modified to accommodate upright walking.

THREE years ago, an adult chimpanzee called Nick dipped a piece of moss into a watering hole in Uganda's Budongo Forest.

«I spent a few days there and saw chimpanzees with a lot of different personalities,» Weiss told Seeker.

In the words of primatologist Frans B.M. de Waal, who observes chimpanzee social behavior at the Yerkes Primate Field Station in Atlanta: «Who fishes for ants and who doesn't, or who cracks nuts and who doesn't — that's the easy thing to see.

A paper describing the method and the discovery resulting from its use in comparing the sequence of the gorilla Y chromosome to the sequences of the human and chimpanzee Y chromosomes will be published on March 2, 2016 in the Advance Online edition of the journal Genome Research.

Prime - boost vaccination with chimpanzee adenovirus and modified vaccinia Ankara encoding TRAP provides partial protection against Plasmodium falciparum infection in Kenyan adult.