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'Bird brains' take heart-our feathered friends are no slouch at cognition
Birds are remarkably adept at tasks involving communication, navigation, and certain types of memory, researchers have found. (2002-02-14)
Gondwana split sorts out mammalian evolution
Mark Springer of the Department of Biology, the University of California, Riverside, and colleagues report in Science that, among placental mammals, the split between Afrotheria and other placentals occurred ~103 million years ago, which coincides with the separation of South America and Africa in Gondwana, suggesting that the common ancestor of living placental mammals occurred in the southern hemisphere and not in the northern hemisphere as is widely held. (2002-01-18)
Study puts a damper on extent of new brain cell growth
Neuroscientists have not found any evidence that adult primates are able to create new neurons in the most sophisticated part of the brain, the neocortex, according to the results of a study in the Dec. (2001-12-06)
Homosexual behavior discovered among wild orangutans
A researcher from the Bronx Zoo-based Wildlife Conservation Society (WCS) has observed homosexual behavior among orangutans in Sumatra, marking the first time scientists have witnessed this activity among wild populations of these critically endangered great apes. (2001-12-06)
Five Yale scientists receive 2001 NARSAD awards for brain research
Five Yale researchers have received National Alliance for Research on Schizophrenia and Depression (NARSAD) Independent Investigator grants totaling almost $500,000. (2001-10-15)
Brain circuitry involved in language reveals differences in man, non-human primates
A defining difference between man and non-human primates has been found in the circuitry of brain cells involved in language, according to researchers at the Medical College of Georgia. (2001-09-04)
Humans may be easier to clone than sheep and mice because of a single genetic difference
Humans could be technically easier to clone than sheep, cows, pigs and mice because humans possess a genetic benefit that prevents fetal overgrowth, a major obstacle encountered in cloning animals, according to new research by Duke University Medical Center scientists. (2001-08-15)
Emory and CDC scientists discover strong immune response to Ebola virus
A group of scientists from Emory University and the Centers for Disease Control and Prevention (CDC) has discovered that a mouse strain of Ebola virus, adapted from a human strain, induces a strong T-cell immune response, despite the belief of some scientists that the lethal effects of Ebola are due to virus-caused suppression of the immune system. (2001-03-31)
Estrogen deprivation leads to death of dopamine cells in the brain
Estrogen deprivation leads to the death of dopamine cells in the brain, a finding by Yale researchers that could have implications for post-menopausal women. (2000-11-30)
Images of evolution
For new clues on evolution, DNA leaves fossils in the dust. (2000-05-14)
Monkeys pay one another for work
Primatologists at the Yerkes Primate Center of Emory University have found new evidence that capuchin monkeys cooperate to obtain food and share the rewards of their efforts. (2000-04-04)
Study suggests that logging may affect monkey health
Secondary forests, areas that have been logged and allowed to regenerate, may provide second-rate habitat for primates, even decades after the forests have been allowed to regenerate, according to a study of monkeys living in African forests. (2000-02-27)
Baboons have voice and communication but not the 'theory of mind' to understand how their communications will affect others
The calls of animals separated from their group were assumed to be call-backs from the group to reassure the lost member. (2000-02-26)
Lemur 'Juliet' dies in Madagascar
Efforts to rescue a highly endangered species of lemur were dealt a setback with the death early Friday morning of the lemur known as Juliet, in a Madagascar zoological park where she was being acclimatized to captivity. (1999-11-18)
Hominoid genes meet on middle ground
Evolution loves a fluid genome. Chromosomes that copy, shift, and mutate their genes provide the fuel for evolutionary change. (1999-11-14)
Shedding light on the origin of primate color vision
Researchers at the University of Chicago have found evidence that trichromatic or full color vision originated in prosimians, a group of lemurs, Bush Babies and pottos rather than in higher primates, pushing the origin of primate color vision back roughly 20 million years. (1999-11-03)
Lemur 'Juliet' may be new subspecies; no mate for 'Romeo'
Duke University primatologists who have just returned from an expedition to capture a mate for a rare lemur (1999-11-02)
Yale study of long-term learning deficits resulting from repeated amphetamine exposure could help drug abusers
Repeated exposure to low-dose amphetamines can cause deficits in cognitive performance that last for several years after the exposure ends, offering insight into potential harmful effects of chronic substance abuse in humans, a Yale study has found. (1999-10-25)
Yale and Alexion report advance in spinal cord repair
Researchers from the Yale University School of Medicine and Alexion Pharmaceuticals, Inc. (1999-10-24)
A 'Juliet' is found for the rare lemur Romeo
A Duke University Primate Center expedition to rescue a rare species of lemurs from a dwindling forest in the depths of Madagascar has captured two of the animals, a male and a female. (1999-10-18)
Primitive primate makes the case for Asian anthropoid origins
A primitive new primate fossil from Myanmar suggests that the ancestor to all monkeys and apes may have first appeared in Asia instead of Africa, and that this ancestor may be older than previously thought. (1999-10-14)
Duke expedition to rescue rare lemurs
An expedition from the Duke University Primate Center will set out Oct. (1999-10-05)
Biologist calls 30% of African primates 'living dead'
Despite huge losses of tropical forests worldwide, no primates are known to have died out there since the year 1600. (1999-09-29)
New MicroPET scanner would be second in country
The National Center for Research Resources of the National Institutes of Health has awarded $400,000 to Wake Forest University School of Medicine for a new type of positron emission tomography (PET) scanner. (1999-09-13)
From lemurs to gorillas, new book explains primate anatomy
Like mapping a sometimes trackless jungle, primatologist Friderun Ankel-Simons, in her new book Primate Anatomy, has mounted an exhaustive expedition into the complexities of the form and function of humans' closest relatives. (1999-09-13)
$6.75 Million to extend primate studies of diet and aging
A decade-long study of how diet affects the process of growing old will continue and be expanded at the University of Wisconsin-Madison with the help of $6.75 million from the National Institutes of Health (NIH). (1999-07-20)
Genome Research July tipsheet
Topics in the July issue Genome Research of include:

  • Uncovering New Links to Lung Cancer in Mice

  • Color Me Three Ways: The Evolution of Trichomatic Vision

  • Closing in on Male Germ Cell Tumors
Walker named a Fellow of the British Royal Society
Alan Walker, distinguished professor of anthropology and biology at Penn State, has been named a Fellow of the British Royal Society. (1999-05-19)
Multitasking Behaviors Mapped To The Prefrontal Cortex
Investigators have mapped a region of the brain responsible for a certain kind of multitasking behavior, the uniquely human ability to perform several separate tasks consecutively while keeping the goals of each task in mind. (1999-05-12)
Resolving Conflicts -- What We Can Learn From The Apes
Research in chimpanzees by Frans de Waal at Yerkes Primate Research Center shows that conflict and conflict resolution are integrated parts of social relationships, determined by social factors and modifiable by the social environment. (1999-01-24)
Dynavax Demonstrates Ability Of Immunostimulatory DNA Sequences To Inhibit Symptoms Of Allergic Asthma In Animal Model
Injections of immunostimulatory DNA sequences developed by Dynavax Technologies inhibited disease symptoms as effectively as seven days of systemic corticosteroids in an animal model of asthma. (1998-12-15)
Monkeys Have Numerical Abilities, Two Columbia Psychologists Report
Columbia University psychologists have taught monkeys to discriminate computer-generated images containing as many as nine objects and to respond to them in ascending order, with a success rate well above what would be predicted by chance. (1998-10-23)
Fruit-Eating Birds Discovered Crucial To Rainforest Survival
Research in a remote African rainforest has revealed that magnificent fruit-eating birds called hornbills may hold the fate of tropical rainforests. (1998-08-07)
DNA Vaccine 100 Percent Effective Against Rabies In Monkeys
Scientists at NIAID's Rocky Mountain Laboratories have developed a DNA vaccine against rabies that protected eight of eight vaccinated monkeys from the disease. (1998-08-03)
Seeing Blue-Yellow Color Perception For The First Time
Penn researchers have -- for the first time -- determined the wiring, neurochemical pathways, and three-dimensional layout of cells in the retina that are involved in blue-yellow color vision that is evident in all mammals. (1998-06-29)
Births Of Rare Lemurs At Duke Primate Center
The Duke Primate Center was greeted this spring with the birth of an unusual number of babies of rare species. (1998-04-08)
New Yale Study Demystifies Cognitive Centers Of The Brain
Scientists at Yale University School of Medicine used physiological techniques to map the prefrontal cortex of primates as they were shown visual stimuli. (1997-11-10)
One Chimp Can Perceive States Of Awareness In Others
Researchers discovered that chimpanzees may determine whether their partners know they are in, suggesting that chimps decide how ignorant or informed their peers are about an unexpected situation. (1997-08-29)
Scientists Uncover New Clues To Understanding Schizophrenia: New Links Discovered Between PCP And Cognitive Deficits
Scientists at Yale University School of Medicine have taken a major step toward understanding cognitive deficits in sufferers of schizophrenia. (1997-08-15)
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