News
- Earth
No Deep Breathing: Air pollution impedes lung development
Spending one's childhood in a community with polluted air stalls lung development roughly as much as does having a mother who smokes.
- Chemistry
Meteorites may have delivered phosphorus
Meteorites may have supplied enough phosphorus to prebiotic Earth to spawn the first signs of life.
- Physics
Gold quantum dots
Scientists have created a new type of quantum dot that could find applications in everything from biological imaging to computer displays.
- Chemistry
Molecular machines split water
Hydrogen derived from molecular machines that use solar energy to split water, rather than hydrogen from fossil fuels, could drive future fuel cell vehicles.
- Health & Medicine
Juice could ward off cancer in smokers
Drinking grapefruit juice every day could reduce the risk of developing cancer from smoking.
- 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.
- 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.
- 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.
- 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.
