Sentences with phrase «young chimpanzees in»

The researchers say that the apparent similarity between human children and young chimpanzees in the observed male bias in object manipulation, and manipulation during play in particular, may suggest that object play functions as motor skill practice for male - specific behaviours such as dominance displays, which sometimes involve the aimed throwing of objects, rather than purely to develop tool use skills.
Soon all of the young chimpanzees in the colony were walking the same way in single file behind the unlucky male.

Not exact matches

But I'm not sure the comparison to «animals» is a fair one since animals do not wear clothes nor are human babies as instinctual and as self sufficient as most animal babies... (I've never heard of a mother chimpanzee holding her young over a bowl to pee; --RRB- but as long as our children are cared for in a loving manner we shouldn't judge too much other parenting techniques.
Scientists overturn the long - held belief that young chimpanzees wean once their back teeth start coming in.
Playing is what young mammals do, and in humans and chimpanzees, laughter is the way the brain expresses the pleasure of that play.
A professor of psychology and neuroscience at the University of Maryland, he has been engaged for more than a decade in a wide - ranging intellectual pursuit that has taken him from the play of young chimpanzees to the history of American sitcoms — all in search of a scientific understanding of that most unscientific of human customs: laughter.
Charles Darwin, in The Expression of the Emotions in Man and Animals, noted that «if a young chimpanzee be tickled — the armpits are particularly sensitive to tickling, as in the case of our children — a more decided chuckling or laughing sound is uttered; though the laughter is sometimes noiseless.»
Smith had two nature photographers follow five young chimpanzees at a field site in Uganda's Kibale National Park for nearly a year and a half.
Indeed, the young chimpanzees actually showed an unexpected uptick in nursing behavior after their grinders appeared.
So zoologist Marina Davila Ross of the University of Portsmouth in the United Kingdom and colleagues recorded the laughs of young gorillas, chimpanzees, bonobos, orangutans, and one siamang at zoos and sanctuaries.
In the incident, a female chimpanzee called Noel at Chimfunshi Wildlife Orphanage in northern Zambia sat down by the dead body of a young male, Thomas, whom she had previously adopteIn the incident, a female chimpanzee called Noel at Chimfunshi Wildlife Orphanage in northern Zambia sat down by the dead body of a young male, Thomas, whom she had previously adoptein northern Zambia sat down by the dead body of a young male, Thomas, whom she had previously adopted.
Females with low rank are known to experience more social stress in large groups, and there is always a risk of infanticide against the young chimpanzees.
It may not come as a surprise, but mother chimpanzees seem to be important for the development of social skills in young chimpanzees.
However, in the second study, led by Felix Warneken, also at the Max Planck Institute, three young chimpanzees helped their human minder reach for objects even without any hope of reward — just like human children as young as 18 months old.
While in adult wild chimpanzees it is females that are more avid and competent tool users, in juvenile chimpanzees the researchers conversely found it was the young males that spent more time manipulating objects, seemingly in preparation for adult tool use.
For example, we have found that chimpanzees can perform as well as young, verbal children in some of these games, indicating that language is not necessary for planning and executing future responses.
In fact, young bonobos spent more time with their mothers, and had more individuals in close proximity for more time whilst feeding than young chimpanzeeIn fact, young bonobos spent more time with their mothers, and had more individuals in close proximity for more time whilst feeding than young chimpanzeein close proximity for more time whilst feeding than young chimpanzees.
The tale of Caesar — a bright young chimpanzee subjected to freewheeling medical experimentation, who grows up to become an ape - separatist revolutionary — was packaged in a bland Hollywood wrapper, as a love story between a lab scientist and his assistant (played by James Franco and then - it girl Freida Pinto, respectively).
With the story's last page turn, the illustrations change from ink - and - watercolor scenes of Jane as a child, toting Jubilee, to a color photo of Jane Goodall as a young woman in Africa, extending her hand to a chimpanzee.
McDonnell shows how childhood dreams can shape an adult life in this subtle, moving story of a young Jane Goodall, who loves to explore and observe the outdoors with her favorite toy, a stuffed chimpanzee.
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