Search Results for: Chimpanzee
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- Archaeology
Wild Chimps Rocked On: Apes left unique record of stone tools
Researchers have uncovered the first archaeological site attributed to chimpanzees, which includes stone implements that were used to crack nuts on top of thick tree roots.
By Bruce Bower -
Dog Sense: Domestication gave canines innate insight into human gestures
Dogs may have acquired an innate ability to understand human body language after they were domesticated.
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Psychotic Biology: Genes yield clues to schizophrenia’s roots
Two genes involved in the transmission of glutamate, a key chemical messenger in the brain, are linked to the occurrence of the severe mental disorder schizophrenia.
By Bruce Bower - Anthropology
The DNA Divide: Chimps, people differ in brain’s gene activity
The distinctive looks and thinking styles of people and chimpanzees derive from the contrasting productivities of their similar DNA sequences.
By Bruce Bower -
Repeat After Me
New research suggests that the ability to infer the thoughts and feelings of others grows out of a capacity for imitation exhibited by human infants and perhaps by other animals, as well.
By Bruce Bower -
Sizing Up the Brain
Genetic mutations that produce small brains provide insight into the formation and evolution of the human brain.
By John Travis - Anthropology
Evolution’s Surprise: Fossil find uproots our early ancestors
Researchers announced the discovery of a nearly complete fossil skull, along with jaw fragments and isolated teeth, from the earliest known member of the human evolutionary family, which lived in central Africa between 7 million and 6 million years ago.
By Bruce Bower -
- Anthropology
The Stone Masters
Investigations of modern-day expert and novice craftsmen of stone tools and decorative stone beads offer insights into the making of stone implements thousands and perhaps even millions of years ago.
By Bruce Bower - Health & Medicine
What Activates AIDS?
New studies suggest that a natural process called immune activation—the signaling that alerts immune cells of foreign invaders—plays a key role in explaining why infection with the human immunodeficiency virus progresses to AIDS more quickly in some people than in others.
- Archaeology
Almond Joy, Stone Age Style: Our ancestors had a bash eating wild nuts
New finds at a 780,000-year-old Israeli site indicate that its ancient residents used stone tools to crack open a variety of hard-shelled nuts that were gathered as a dietary staple.
By Bruce Bower - Anthropology
Care-Worn Fossils
A nearly toothless fossil jaw found in France has reignited scientific debate over whether the skeletal remains of physically disabled individuals show that our Stone Age ancestors provided life-saving care to the ill and infirm.
By Bruce Bower