Sentences with phrase «humans than chimps»

One known difference is in a region called Broca's area, which is also involved in speech and is larger in humans than chimps.

On the ground, moving from fruit tree to fruit tree, bonobos often stand and walk on two legs — behavior that makes them seem more like humans than chimps.

They found that, just as the gorilla is more distantly related to humans than the chimp is, the same is true of their respective microbiomes.

The newly found teeth look more human than chimp, the researchers say.

Not exact matches

A new study has theorized that human beings are more closely related to orangutans than chimps.

Those who are offended by the claim that horses or chimps or whales (OFD; also see OOTM 13, WM 49) deserve more respect than the fetus in the early stages of pregnancy usually resort to a type of question - begging which Peter Singer calls «speciesism»: the human fetus in the early stages of pregnancy deserves moral respect just because it is human.

But, since we humans have been mixing with one another for a tens of thousands of years, since it is more likely that any random black person on earth has more in common genetically with a random white person than another random black person (due to probability, because there are so many black people from differing genetic subgroups), and since humans share 96 % of our genetic makeup with chimps, the concept of «race» is really, scientifically, just a fiction best left to ignorant crazies like the Aryan nation.

The frontal brain grooves on a H. naledi endocast, like those in modern humans, lie farther back than the grooves seen in the chimp MRI scan, Hurst contends.

Because the spinal cord entered the skull at the bottom rather than at the back, as it does for chimps, Dart believed the individual had walked upright — until then, considered an exclusively human trait.

Given that the human volunteers in Kret's study were more responsive than the chimps to changes in pupil size, it might be that the whites of our eyes evolved to help us subconsciously spot those changes more readily, says Harrison.

The found that chimpanzees on a whole were less violent than humans, which researchers believe suggests that humans developed more severe forms of warfare compared to chimps.

This kind of prosocial behavior, a form of altruism that seeks to benefit others and promote cooperation, has now been found in chimps, the species that Darwin did more than any other human to connect us with.

In the deep forest, the chimps are fearless, «approaching us in the trees to get a better look,» Hicks says, rather than fleeing at the sight of humans, as chimps in other regions tend to do.

«Many traits that distinguish humans from chimps are believed to have evolved more recently than the human — Neanderthal split,» observes biostatistician Katherine S. Pollard of the Gladstone Institutes at the University of California, San Francisco.

And 40 genes involved in these nine schizophrenia - related pathways also differed much more between chimps and humans than genes associated with the other 12.

When they measured the concentrations in the same area in chimp brains, the team found that the differences between chimps and normal humans were much greater for those nine than for the 12 metabolites not implicated in schizophrenia, suggesting that energy pathways implicated in schizophrenia were also altered by human evolution, the team reports this week in Genome Biology.

Although chimps» bodies are lean compared with those of humans, new measurements show that these apes burn calories more slowly than we do.

In 2012, his team reported that humans had a different form of these fatty acid genes than did chimps or other ancient human species, one that made them more efficient at processing the fatty acids from plants.

This meant that humans burned over 27 % more energy per day on average than chimps.

In each of the chimp, human, and gorilla, more than 500 genes have been evolving faster than expected, suggesting that they have changed in a way that confers some advantage.

The Neanderthal DNA was more similar to human than to chimp.

Because human T cells don't have as many of these brakes, our cells are a hundred times more aggressive than those of chimps when faced with drugs like TGN1412, which work by triggering the immune system.

After taking body size into account, they found that humans averaged about 400 more calories per day than chimps and bonobos — 635 calories more than gorillas and 820 calories more than orangutans.

And the variation in skull size and facial shape is no greater than in other species, including both modern humans or chimps, says Ponce de León — especially when the growth of the jaw and face over a lifetime are considered.

To this slim, ponytailed young woman, chimps looked more clever, more scary, and often more human than anyone had ever suspected.

A multitude of factors help makes the human brain superior to the chimps», but new research indicates that looser genetic control of brain development in humans allows us to learn and adapt to our environment with more flexibility than our primate cousins.

Two chimp brothers would have more similar sulci than two human brothers, for instance.

Indeed, a close look at the chimp genome reveals an important lesson in how genes and evolution work, and it suggests that chimps and humans are a lot more similar than even a neurobiologist might think.

On the reasonable assumption that chimp and human laughter are homologous rather than independently evolved traits, laughter must be at least 5 million to 7 million years old.

Mature dogs look like wolf pups, and humans look more like chimp infants than chimp adults, researchers noted at the meeting.

As a result, the embryos carrying human HARE5 have brains that are 12 % larger than the brains of mice carrying the chimp version of the enhancer.

The blue stains in these developing mice embryos show that the human DNA inserted into the rodents turns on sooner and is more widespread (right) than the chimp version of the same DNA, promoting a bigger brain.

Once the ancestors of humans split from the ancestor of bonobos and chimps more than 4 million years ago, the common ancestor of bonobos and chimps retained this diversity until their population completely split into two groups 1 million years ago.

As researchers study the genome in more depth, they hope to find the genetic differences that make bonobos more playful than chimps, for example, or humans more cerebral.

The researchers also found that the ancestors of humans split from the ancestor of bonobos and chimps more than 4 million years ago, not more than 5 million years ago as originally reported.

Chimps spend at least 6 hours a day chewing, he notes, humans, less than 1.

In 2002 he reported that a gene known as FOXP2, which plays a role in language acquisition, produces a subtly different protein in humans than in chimps.

Members of a tiny tribe in the Amazon jungle that has no words for numbers beyond two can't conceptualize numbers any better than chimps or human infants do, a new study has found.

Based on their research from the Chorora, Kadabba and Ardi finds, the team says the common ancestor of chimps and humans lived earlier than had been evidenced by genetic and molecular studies, which placed the split about 5 million years ago.

Thirty years ago, geneticist Mary - Claire King and biochemist Allan Wilson proposed that changes in how genes are regulated, rather than in the proteins they code for, could explain important differences between chimps and humans (Science, 11 April 1975, p. 107).

But in the brain, the team detected much more gene expression in humans than in chimps, whereas gene expression in the brains of chimps and the other primates was about the same.

They found that the chimpanzee Y chromosome has lost lots of genes that are present in humans, which suggests the human Y resembles that of the common ancestor more than does the chimp's Y. Chimpanzees only have two - thirds of the genes present in the human MSY.

The sequencing of the human genome (ScienceNOW, 14 April 2003:) gave scientists major new insights into what makes us human: Although we share more than 98 % of our genetic code with the chimpanzee, natural selection has turned us into a very different animal than the chimps, from whom our hominid ancestors split evolutionarily some 6 million years ago (ScienceNOW, 31 August).

The team speculates that detrimental mutations have survived in humans and chimps because these species have had much smaller breeding populations than rodents throughout evolution.

The mutations may also explain why some genes have much different expression levels than would be expected between humans and chimps.

The researchers then determined that the stones must have been chimp tools because of their size: a typical human hammer stone is no longer than 120 millimeters (less than 5 inches) and weighs less than 400 grams (less than one pound).

While the specialized adaptations of our hands have long been assumed as a major evolutionary advantage, the human hand is less developed in terms of evolution than that of a chimp, having changed little from the hands of the last common ancestor shared with our simian cousins millions of years ago, scientists report.

«The sequence difference is larger than the average sequence difference between humans and chimps, so we estimate it occurred at least 4 million years ago,» Andersson explained.

Regulator genes help determine how other genes will express themselves, and the researchers suspected that some of these regulators might be making brain development more active in human embryos than in chimps.

This allowed them to compare the level of expression of more than 1,000 genes between humans, chimps, orangutans and rhesus macaques — representing about 70 million years of evolution.