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Dendrite decline in schizophrenia
Cell connections in a part of the brain's frontal lobe appear to dwindle in people with schizophrenia.
By Bruce Bower - Health & Medicine
Tracking signs of memory loss
A new imaging agent may allow researchers to detect the plaques characteristic of Alzheimer's disease before symptoms are present, when therapies may be most effective.
- Health & Medicine
Cell mixture attacks pancreas tumors
White blood cells injected into patients with pancreatic tumors incite an immune response that blunts the cancer in some patients and extends survival.
By Nathan Seppa - Earth
Air Sickness
Studies have begun showing subtle but substantial harmful effects in outwardly healthy people who regularly breathe hazy air.
By Janet Raloff -
Clones face uncertain future
Scientists have cloned a cat, but new studies suggest that cloned animals have shortened lifespans.
By John Travis - Health & Medicine
Amyloid Buster? New drug hinders Alzheimer’s protein
By disabling a dementia-linked protein, a synthetic drug is showing a tantalizing capacity to interfere with the formation of waxy amyloid deposits like those that accumulate in the brains of people with Alzheimer's disease.
By Nathan Seppa - 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 - Earth
Algae Turn Fish into a Lethal Lunch
Scientists demonstrated that some marine mammals have died from eating fish tainted with a neurotoxic diatom.
By Janet Raloff - Anthropology
Ishi’s Long Road Home
The reappearance of a California Indian's preserved brain, held at the Smithsonian Institution since 1917, triggers debate over the ethics of anthropological research and the repatriation process.
By Bruce Bower - Earth
Greenhouse Gassed
Scientists are discovering that more carbon dioxide in the air could spell disaster for plants and the animals that love to eat them.
- Health & Medicine
Fatty plaques are unstable in vessels
Fatty plaques that form on the inside of blood vessels are less stable and hence more prone to rupture than are hard, calcified plaques.
By Nathan Seppa - Health & Medicine
Honey of a Threat
An all-natural, organic food, honey has a benign–if not wholesome–image. Many people consider it a superior alternative to table sugar and corn syrup–two primary sweeteners in the U.S diet. Though attractive to bees, borage may lace its flowers nectar with toxic chemicals that could then show up in honey. James N. Roitman, USDA-ARS Comfrey, formerly […]
By Janet Raloff