Sentences with phrase «chimpanzees using»

We have compared the transcriptome in blood leukocytes, liver, and brain of humans, chimpanzees, orangutans, and macaques using microarrays, as well as protein expression patterns of humans and chimpanzees using two - dimensional gel electrophoresis.

One of the most famous examples of animals using tools was discovered in 2007 when a group announced it hadfilmed chimpanzees using spears to hunt bushbabies in Senegal.

The chimpanzee using a stick to get eggs from an anthill, a child figuring out how to tie her wagon to a tricycle, and the country politician developing a strategy to get elected to the legislature all illustrate the interweaving of imagining ends and inventing means.

Seventeen raters who work closely and directly with chimpanzees used the scale to assess 99 chimpanzees in their care at the Michale E. Keeling Center for Comparative Medicine and Research, UT MD Anderson Cancer Center in Bastrop, Texas.

Male chimpanzees use buttress drumming (shown in this video) as occasional punctuation to their more common pant hoot calls.

While the CHCI chimpanzees use human gestures they additionally use the natural gesture of their species.

For example, chimpanzees use sticks to «fish» for ants and termites, stones to crack nuts, as well as tools for grooming and communication.

Someone told me they read in a book that a scientist saw a chimpanzee using sign language on a tree.

Help provide support for chimpanzees used in experiments in Liberia!

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In hopes of learning more about the phenomenon, Allison compared his findings with 24 other data samples collected for animals ranging from domesticated dogs and cats to feral rats and chimpanzees used for research — and what it pointed to was quite troubling.

Not exact matches

«Chimpanzee (Pan troglodytes) Spatial Problem Solving with the Use of Mirror and Televised Equivalents of Mirrors.»

For this reason I have realized this: a chimpanzee does not understand math (regardless of how many hours I spent trying to teach them this) because of it's anatomy, yet I do understand math because of my anatomy (and education of course), I as a mere mortal (unlike yourself) know that my faculties must be somehow limited and that there are concepts that no matter how much I try to use my retarded brain I will never understand them because I don't have the god lobe in the ole brain like you do, none the less I keep on thinkin» in a finite fashion hoping that my future children might have a little more range than I since they too will be a «tarded snapshot in a timeline of cognitive evolution.

The NIH will no longer fund experiments using chimpanzees — based on animal welfare criteria — which is understandable, given chimpanzees» high intelligence and social needs.

But people used to beat the chimpanzees when they were uncooperative.

When it comes to biology, we are as genetically close to the violent chimpanzees as to the sharing bonobos that are the only other species except for us that uses sex for pleasure.

Two closely related great ape species, the bonobo and chimpanzee, use gestures that share the same meaning researchers have found.

Chimpanzees and bonobos use gestures in a variety of different situations and for multiple purposes, such as to initiate and change positions during grooming.

Saint: Institute of Medicine In December the institute recommended that the United States severely curtail its use of chimpanzees, man's closest relative, in medical research.

Turner briefly covers the use of multiple tools by other animals — humans, chimpanzees, orangutans, and capuchin monkeys — and notes that only the New Caledonian crows and humans are known to make hooked tools.

«However, because SIF - seq only requires DNA sequence from a mammal and can be used in a variety of cell types, it should be possible to compare the neuronal enhancers present in a large genomic region from human to the neuronal enhancers present in the orthologous chimpanzee region.

Duke scientists have shown that it's possible to pick out key changes in the genetic code between chimpanzees and humans and then visualize their respective contributions to early brain development by using mouse embryos.

«Chimpanzees are ideal for this study because to collect this observational behavioral data, you don't need to collar them or use any invasive methods.

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

Then they compared the Dmanisi population with a range of fossils belonging to ancient African hominins alive at the same time, and used modern humans and chimpanzees as control groups.

Her observations redefined primate research and led to the remarkable conclusion that chimpanzees make and use tools.

«It is difficult to estimate the probability of a rare event using a small population, but given that around 500 chimpanzees have been born in captivity in Japan, the probability of this autosomal trisomy in chimpanzees may be comparable to that of trisomy 21 in humans, which occurs in up to 1 in 600 births,» speculates Hirata.

Then, in June of last year, the U.S. Fish and Wildlife Service stated that all U.S. chimpanzees — including the more than 700 chimps used in research — would be classified as endangered under the Endangered Species Act.

«At NIRC they will receive veterinary care, enrichment, exercise, and gradually be introduced to social housing with other chimpanzees... [They] will not be used for any research.»

Indeed, according to new federal rules, neither NIRC nor any other facility can use chimpanzees in research without justifying that the work enhances the survival of the species.

Adenovirus 5 has 50 or so known relatives that infect humans and so in principle could also be used as a basis for vaccines, as could one from a chimpanzee.

«Given this complete absence of interest in a space now approaching 3 years, I think it's fair to say the scientific community has come up with other ways to answer the kinds of questions they used to ask with chimpanzees,» Collins tells Science.

A decision in June by the U.S. Fish and Wildlife Service (FWS) to list captive chimpanzees as endangered added another hurdle by requiring a permit to use any of the 700 research chimpanzees in the country in invasive research.

Chimpanzees have been using hammer stones and anvils for at least 4,300 years, according to new archaeological evidence from Africa

A rare «chimpanzee archaeology» dig a decade ago showed this ape has been using stone tools for more than 4000 years.

Chimpanzees, like most apes, live in male - dominated societies and use violence to maintain their social status and coerce females into mating.

In it, he wrote that several factors, including the fact that no researchers have asked to use chimps, led him to conclude that the 50 chimpanzees are no longer needed.

Retransmission of the disease to a second chimpanzee occurred when an inoculum that had been stored at — 70 °C for over 2 years was used.

They showed the films to six chimpanzees and six bonobos, and used eye - tracking technology to record the apes» eye movements.

The chimpanzee virus could be used to make vaccines to various pathogens, including hepatitis, human papillomavirus, and HIV.

Chimpanzees are popular subjects for AIDS research (even though their immune system rarely succumbs to the virus) and are used in painful cancer and psychological tests, as well as for research on blood diseases and organ transplants.

Catherine Brahic writes that chimpanzees in Uganda have learned to use moss to sponge up drinking water after copying one...

NIAID leases chimpanzees for use in infectious disease research at other accredited facilities.»)

Using this approach, we have sequenced ~ 14,000 protein - coding positions inferred to have changed on the human lineage since the last common ancestor shared with chimpanzees.

Other animals — chimpanzees, parrots, and seals — have been shown to use exclusion.

After a few chimpanzees started using moss to soak up water from a pond, the behaviour has spread.

Ebola vaccine for chimps works but may never be used Chimpanzees threatened by an Ebola outbreak could be protected by a new vaccine, but cuts in chimp research may stymie its development

A previous study by Steve Ross and colleagues found that 35 % of respondents mistakenly thought chimpanzees were not endangered due to their frequent appearances in film and television, and the continuing use of primate «actors» is likely to reinforce this misconception.

«We do not have at the present time an analysis to tell us what would be an appropriate size of the population of chimpanzees that would need to be kept on hand should the need arise from some sort of new pandemic for their use,» said Collins.