Sentences with phrase «by chimpanzees»

More on Chimpanzees Chimpanzees Feel Death Like People - Are Even More Like Humans Than We Think World's First Film Shot Entirely by Chimpanzees to Air on BBC Chimpanzees Even Smarter Than We Thought - Can Mentally Measure Pouring Liquid's Volume

This research is made possible by the chimpanzees at Friends of Washoe and the collection of videotapes from African chimpanzee sanctuaries and field settings.

Combining these recent discoveries with our own results suggests that the majority of chimpanzee innovations probably never spread, in part due to the discriminatory preferences shown by chimpanzees for prestigious models.

The gestures involved are reminiscent of those used by chimpanzees when they use stones to break open nuts» said Dr. Harmand.

«The archaeological record of the earliest stone tools does not support a nut - cracking stage in the development of the earliest technology... in most sites the pounding tools used by chimpanzees are very rare.»

«If the specific behavior of nut cracking with stone tools is posited for our last common ancestor, then one would expect a series of stone - tool sites that resemble those made by chimpanzees to be found in sediments dating to between 2.6 million and 5 million years ago,» Ambrose says.

Churchill believes that human behavior is actually something of a mosaic of traits demonstrated by chimpanzees and bonobos.

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

See Language Learning by a Chimpanzee: The Lana Project, ed.

«Conservation of Liquid and Solid Quantity by the Chimpanzee.»

Curious to see if orangutan researchers could come up with a list of behaviors similar to that compiled by chimpanzee researchers, van Schaik invited his colleagues to a 3 - day meeting to compare notes.

The letter — signed by chimpanzee researchers from the most renowned universities in the country — asserts that «human - chimpanzee comparisons are essential for understanding the unique characteristics of human biology.»

Puzzles have been cut out completely in every way, so the game could almost be played by a chimpanzee.

PROJECT NIM By Chris Norris James Marsh's documentary recounts the slings and arrows of outrageous fortune endured by a chimpanzee in the name of science

Glossing over the press release — which was seemingly written by a chimpanzee on bath salts — I have real questions about B2G, and Seagal's involvement.

Not exact matches

That's the insight from new research into our primate cousins, chimpanzees, written up by evolutionary biologist Ben Garrod for Quartz.

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.

The poster features a photograph of ethologist Jane Goodall and one of the many chimpanzees in whose company she has spent much of her adult life (and who have inspired her passion for environmental care), accompanied by the caption «Even Mother Nature has an agent.

- someone else might have only encountered crocodiles, iguanas and newts by timex; so when he encounters the gecko, he will have no reason to differentiate between «animal» and «reptile», until such times as he should see a dog or cat or chimpanzee.

Chimpanzees» of which we share 99 % of our DNA, display the same love and compassion characteristics as us... it is easier to survive / mutually beneficial to work as a group vs. by yourself.

The capacity of primates to grasp abstract relations has been extensively tested by Premack with non-language trained chimpanzees on two kinds of reasoning: «and» versus «or» and transitive or deductive inference.

The chimps did surprise Premack by beginning to point during the experiment, since pointing is not natural to the chimpanzee.

Here again I appeal to Susanne Langer's evidence, which consists largely in noting cases of irrational fear on the part of chimpanzees, fear that can not be explained either by instinct or by learning.

Such sudden upward shifts from mechanical routine towards originality and improvisation have been observed by ethologists throughout the animal kingdom from insects upward to birds, rats and chimpanzees.

May 29, 2013 — Like some humans, chimpanzees and bonobos exhibit emotional responses to outcomes of their decisions by pouting or throwing angry tantrums when a risk - taking strategy fails to pay off, according to research published May 29 in the open access journal PLOS ONE by Alexandra Rosati from Yale University and Brian Hare from Duke University.

They were carved open by a sublime through ball from Luka Modric to Gareth Bale, but everyone's favourite chimpanzee took a cynical dive to earn a penalty to put Spurs two up.

By studying different local environmental conditions, we may better understand why some men act like fatherly wolves and others act more like aloof chimpanzees.

The New York Court of Appeals denied leave to appeal in two cases over chimpanzees being held in cages by owners upstate, which leaves the lower appellate court's ruling in place.

At noon, Sen. Tony Avella will hold a joint press conference with The Humane Society of the United States, fellow elected officials, a representative from the Jane Goodall Institute and others to urge the New York Blood Center to keep its promise to provide lifetime care to a colony of chimpanzees exploited by the center for decades of research and then abandoned, City Hall steps, Manhattan.

Thomas Love Peacock's Melincourt (1817) had apes getting elected, a theme reprised in the much later The Right Honourable Chimpanzee by David St George.

Researchers have long explored this idea by observing animals such as chimpanzees, dolphins and elephants, but biologist Natalia Borrego of South Africa's University of KwaZulu - Natal focuses on big cats.

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.

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.

The study found that human and chimpanzee brain size were both greatly influenced by genetics.

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.

The human HARE5 and the chimpanzee HARE5 sequences differ by only 16 letters in their genetic code.

Producing a short list of strong candidates was in itself a feat, accomplished by applying the right filters to analysis of human and chimpanzee genomes, said co-author Gregory Wray, professor of biology and director of the Duke Center for Genomic and Computational Biology.

Francys Subiaul of the George Washington University and his colleagues showed that captive chimpanzees are able to make judgments about the reputation of unfamiliar humans by observing their behaviour — whether they were generous or stingy in giving food to other humans.

Chimpanzees and humans may share the same ability to empathise with other individuals by involuntarily matching their pupil size.

If chimpanzees were motivated only by selfish interests, they would be expected to choose a reward only for themselves (or it should be 50 — 50 if they were choosing randomly).

By systematically observing the spontaneous interactions between zoo visitors and chimpanzees at Furuvik Zoo in Sweden, researchers found that both species imitated to a similar extent.

«The actions that were copied by both humans and chimpanzees were neither novel nor original and suggest that imitation was not at all about learning.

(By comparison, humans and chimpanzees differ genetically by about 2 percentBy comparison, humans and chimpanzees differ genetically by about 2 percentby about 2 percent.)

A psychologist like Coss might have informed administrators that chimpanzees will avoid looking at a toy with prominent eyes, gorillas feel threatened by the blank stare of binoculars, and «one of the most primitive avoidance responses to form exhibited by man today is gaze aversion to the unyielding stare of a stranger.»

By comparing it with that of modern humans, chimpanzees and bonobos, plus Neanderthals and Denisovans, Meyer estimated its age at 400,000 years, twice as old as our own species and far older than any hominin genome previously sequenced (Nature, DOI: 10.1038 / nature12788).

Now a research team led by James Anderson at the University of Stirling in the UK has shown that chimpanzees also perform «contagious yawning».

Santino the chimpanzee is calm when visitors stay away, but apparently plans ahead by hiding stones to throw at them if they get too close.

To test this hypothesis, an international team led by evolutionary biologist Philipp Khaitovich of the Shanghai Institutes for Biological Sciences in China and the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, set out to see how many brain - related genes implicated in schizophrenia underwent positive natural selection since humans and chimpanzees diverged from a common ancestor between 5 million and 7 million years ago.

Yet from 2015 to mid-2017, only 73 chimpanzees entered sanctuaries, leaving nearly 600 of the animals in labs; half were owned by the government, half by private research facilities.

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.