Search Results for: Chimpanzee
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966 results
966 results for: Chimpanzee
- Humans
Science News of the Year 2005
A review of important scientific achievements reported in Science News during the year 2005.
- Health & Medicine
Primate virus found in zoo workers
Viruses related to HIV can be found in the blood of some zoo staff and other people who work with primates, although the infections don't appear to be harmful.
- Health & Medicine
Old polio vaccine free of HIV, SIV
Three laboratories analyzing remaining samples of polio vaccine used in the late 1950s find that none contains any human or simian immunodeficiency virus, or chimpanzee DNA—making polio vaccine unlikely to be the cause of the initial HIV outbreak in central Africa.
- Anthropology
Stone Age Ear for Speech: Ancient finds sound off on roots of language
Ancestors of Neandertals that lived at least 350,000 years ago heard the same range of sounds that people today do, suggesting that the ability to speak arose early in the Stone Age.
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Human genes take evolutionary turns
Researchers have identified a set of genes that has evolved an extensive pattern of alterations unique to people.
- Humans
Bushmeat on the Menu
Studies of the bushmeat trade reveal that such meat appeals to people who can't afford anything else and to prestige seekers who certainly can.
- Anthropology
Brain Size Surprise: All primates may share expanded frontal cortex
A new analysis of brains from a variety of mammal species indicates that frontal-cortex expansion has occurred in all primates, not just in people, as scientists have traditionally assumed.
- Anthropology
Monkey Business
They're pugnacious and clever, and they have complex social lives—but do capuchin monkeys actually exhibit cultural behaviors?
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Sit, Stay, Speak
If dogs could verbally comment on the scientific study of canine minds and how they really think, it might sound something like this.
- Anthropology
Evolution’s Lost Bite: Gene change tied to ancestral brain gains
In a controversial new report, a research team proposes that an inactivating gene mutation unique to people emerged around 2.4 million years ago and, by decreasing the size of jaw muscles, set the stage for brain expansion in our direct ancestors.
- Anthropology
Early Ancestors Come Together: Humanity’s roots may lie in single, diverse genus
Newly discovered fossil teeth in eastern Africa that are more than 5 million years old suggest that the earliest members of the human family evolved as a single, anatomically diverse genus.
- Anthropology
Out on a Limb
The science of body development may make kindling out of evolutionary trees.
