News
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Profiles in Melancholy, Resilience: Abused kids react to genetics, adult support
Abused and neglected children who possess two copies of a gene that affects brain chemistry develop depression at an elevated rate only if they also lack support from at least one adult.
- Materials Science
New lithium battery design charges up
Researchers have developed a new, safer type of electrode for lithium batteries.
- Materials Science
A hard new material with a soft touch
Adding exotic substances called quasicrystals to polymers creates nonabrasive hard materials, which could soon serve as coatings in machine parts.
- Health & Medicine
Trials affirm value of drug
The drug STI-571, previously shown to work against chronic myelogenous leukemia, also helps patients who have slipped into an acute, highly lethal form of this cancer.
- Health & Medicine
Old and new drugs may fight myeloma
In some people with a bone marrow cancer called multiple myeloma, treatment with thalidomide or PS-341, which induces programmed cell death, may improve their chances of survival.
- Materials Science
Nanotubes: Knot just for miniature work
A new technique can spin individual nanotubes into durable ribbons and threads visible to the naked eye.
- Materials Science
Nanotubes get as small as they can
Two research teams have created stable carbon nanotubes with the smallest diameter that scientists believe is physically possible, at just 0.4 nanometer across.
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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.
- Earth
Wafting pesticides taint far-flung frogs
Agricultural pesticides blowing into California's wilderness areas have played a role in mysterious declines in frog populations.
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Gene implicated in development of autism
A gene involved in fetal-brain development may predispose people to develop autism or several related disorders.
- Physics
Silk and soap settle a century-old flap
The leading explanation for why flags flap in the breeze has run afoul of new experimental findings.
- Health & Medicine
Antibiotics, vitamins stall stomach cancer
A 6-year study shows that vitamin C, beta-carotene, and antibiotics can reverse premalignant conditions that could otherwise lead to stomach cancer.
