All Stories by John Travis
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New Antibiotics Take Poke at Bacteria
Small rings of amino acids can self-assemble into tubes that punch holes in bacteria.
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Obscure brain chemicals draw new attention
Long-dismissed brain chemicals called trace amines have receptors on human cells and may play a role in depression and schizophrenia.
- Health & Medicine
Radiation harms blood vessels before gut
The side-effects of radiation therapy may result from initial damage to blood vessels.
- Health & Medicine
Statins Take On the Brain
Cholesterol-lowering drugs may also treat or prevent Alzheimer's disease.
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Mutated gene doubles fruit fly’s life span
The product of the Indy gene resembles transport proteins in mammals that enable intestinal and kidney cells to take in metabolites to produce energy.
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Crippled fungus acts as vaccine
A genetically crippled strain of yeast can vaccinate mice against deadly normal strains.
- Health & Medicine
New sources and uses for stem cells
Human skin and scalp tissue may provide a source of neural stem cells.
- Health & Medicine
Pesticide tied to Parkinson’s disease
Rodents exposed to massive amounts of the pesticide rotenone develop a condition similar to Parkinson's disease.
- Health & Medicine
Old antibiotic takes on Alzheimer’s
An antibiotic that binds copper and zinc may prevent brain deposits that cause Alzheimer's disease.
- Health & Medicine
Does vitamin A aid learning?
A lack of Vitamin A may cause learning and memory problems, albeit potentially reversible ones.
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Low-cal diet may reduce cancer in monkeys
Researchers monitoring monkeys have seen signs that slashing normal calorie consumption can benefit long-lived primates by extending natural life spans and reducing the odds of suffering diseases such as cancer.
