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05/12/2008 01:49 AM
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Tiny tubes, rocket fuel soup up motors
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US scientists have customised nanoengines by spiking the gas with rocket fuel and adding carbon nanotubes to strengthen the motor's microsized frame.
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05/11/2008 10:42 PM
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Mercury's core may have iron showers
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Scientists have long wondered about how a planet as small as Mercury could have kept its iron core fluid enough to account for the planet's magnetic field.
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05/11/2008 09:20 PM
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Chile fears effects of volcanic ash
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Volcanic ash raining down from the Chilean volcano Chaiten may cause long-term environmental damage and harm the health of people and animals in picturesque Patagonia, scientists say.
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05/08/2008 10:53 PM
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Lush Sahara took years to dry
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The once-green Sahara turned to desert over thousands of years rather than in an abrupt shift as once thought, according to a study that may help understanding of future climate changes.
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05/09/2008 12:44 AM
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Why honey sticks to the spoon
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The argument over why honey is so sticky has been settled, and it seems both sides were right all along.
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05/08/2008 09:04 PM
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Early Americans chomped on seaweed
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Chewed-up or burned seaweed discarded more than 14,000 years ago confirm that people were in Chile at least that long ago and sheds light on what their culture was like, researchers report.
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05/08/2008 12:54 AM
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Found! Missing matter in finger of gas
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An orbital x-ray telescope has found a chunk of matter in the universe whose existence had long been theorised but evidence for which had been lacking, researchers say.
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05/07/2008 08:57 PM
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Platypus genome reveals much about sex
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Genome sequencing of Australia's platypus, an animal so unusual it was thought to be a hoax when sent to Europe in the 18th century, has moved the evolution of sex determination in humans forward more than 160 million years.
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05/07/2008 10:01 PM
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Burma could have had 72h warning
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NEWS ANALYSIS: Burmese authorities could have had as much as 72 hours notice of the devastating Cyclone Nargis, say Australian researchers.
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05/07/2008 02:31 AM
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Dinosaur killer may have struck oil
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The dinosaur-killing Chicxulub meteor might have ignited an oilfield rather than forests when it slammed into the Gulf of Mexico 65 million years ago, say geologists.
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05/07/2008 01:25 AM
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Black hole had 18th century feeding frenzy
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About 300 years ago, the black hole lurking in the heart of the Milky Way woke from hibernation and entered a feeding frenzy, triggering a cascade of x-rays that reverberated off nearby clouds, researchers say.
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05/06/2008 11:14 PM
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Mangrove destruction raised Burma toll
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The destruction of mangrove forests that served as a buffer from the sea is partly to blame for the death toll from Burma's cyclone, says the head of ASEAN.
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05/06/2008 02:19 AM
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Weird electrons may shrink your laptop
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A new type of material with bizarre acting electrons could bring dramatic advances in the world of electronics, predicts an Australian researcher.
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05/05/2008 03:11 AM
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Nuclear reactor fuel 'flawed from start'
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NEWS ANALYSIS: A design flaw in fuel for Australia's only nuclear reactor is partly responsible for the shutdown of the facility in July last year, just months after it was officially opened.
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05/06/2008 12:31 AM
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Strange dwarf in Big Dipper
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Astronomers say they have spotted a new type of stripped-down white dwarf star with a pulsating carbon surface.
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05/05/2008 09:51 PM
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Global warming hits tropical species most
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Climate change could pose a greater risk to tropical insects and other species sensitive to the slightest shifts in temperature than to creatures living in the world's tundra, US scientists warn.
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05/05/2008 12:45 AM
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Neanderthals were quite separate
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A simplified family tree of humanity has dealt a blow to those who contend that Neanderthals intermingled with our forebears.
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05/04/2008 10:48 PM
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Tough grasses may be key to new carbon sink
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Drought-tolerant perennial pastures could make a big dent in Australia's greenhouse emissions by helping soils to soak up carbon, says one researcher.
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Latest News in Science (Australian Broadcasting Corporation)