News
- Earth
Compost reduces landfill gas
Field tests suggest that covering solid waste with compost instead of conventional soil could reduce methane-gas emissions from landfills.
- Animals
Owls use tools: Dung is lure for beetles
Burrowing owls' habit of bringing mammal dung to their burrows attracts edible beetles and counts as form of tool use.
By Susan Milius - Health & Medicine
Immune reaction to poison gas brings delayed effects
Researchers have a new understanding of why some survivors of carbon monoxide poisoning later develop concentration problems, personality changes, or sensory impairments.
By Ben Harder - Tech
Tiny Timepiece: Atomic clock could fit almost anywhere
Physicists have shrunk the high-tech heart of an atomic clock to the size of a rice grain.
By Peter Weiss - Health & Medicine
Scanning Risk: Whole-body CT exams may increase cancer
Adults who routinely get whole-body CT scans without medical cause are exposing themselves to doses of radiation that may increase their risk of dying from cancer.
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Cancer Flip-Flop: Gene acts in both proliferation and control of growth
Scientists have identified what might be a new class of cancer-controlling genes that alternates between halting and promoting cancer.
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Cultured Readers: Chinese kids show new neural side of dyslexia
Brain disturbances that underlie the inability to read a non-alphabetic script, such as Chinese, differ from those already implicated in the impaired reading of alphabetic systems, such as English.
By Bruce Bower - Health & Medicine
Alzheimer’s Advance: Omega-3 fatty acid benefits mice
A diet that includes a key omega-3 fatty acid found in fish prevents some memory loss in mice that develop a disease resembling Alzheimer's.
By Nathan Seppa - Tech
Electrifying Toxic Cleanup: Electrodes could stimulate removal of radioactive waste
Researchers have devised a bioremediation system that electrically stimulates bacteria to break down toxic chemicals in the environment.
- Astronomy
Rocky Road: Planet hunting gets closer to Earth
Astronomers have discovered the three lightest planets known outside the solar system, moving researchers closer to the goal of finding extrasolar planets that resemble Earth.
By Ron Cowen - Animals
Mom bears more sons when she gets extra bouquets
When researchers spiff up a male starling's courtship by delivering some extra bouquets to his mate on his behalf, the couple tends to produce more sons than usual.
By Susan Milius -
A call to arms aids recovery of sight
A man was able to recover some of the sight he lost as a result of brain damage simply by reaching out toward objects near his body, researchers say.
By Bruce Bower