Possible Signs of Liquid Water Flowing on Mars
Space & Earth / Space Exploration
Dec 06, 2006 |
4.5 / 5 (68) |
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NASA photographs have revealed bright new deposits seen in two gullies on Mars that suggest water carried sediment through them sometime during the past seven years.
Breakthrough in magnetic devices could make computers much more powerful
Dec 06, 2006 |
4.4 / 5 (43) |
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Scientists have created novel ‘spintronic’ devices that could point the way for the next generation of more powerful and permanent data storage chips in computers. Physicist at the Universities of Bath, Bristol and Leeds ...
CSIRO demonstrates world's fastest wireless link
Dec 06, 2006 |
2.4 / 5 (58) |
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The CSIRO ICT Centre today announced that it has achieved over six gigabits per second over a point to point wireless connection with the highest efficiency (2.4bits/s/Hz) ever achieved for such a system.
Protein's tail may be flu virus's achilles heel
Dec 06, 2006 |
4.5 / 5 (31) |
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Striking new research from Rice University and the University of Texas at Austin (UT) has revealed a potential new target that drug makers can use to attack several strains of influenza, including those that ...
Magnetic whirlpools feed Earth's magnetosphere
Dec 06, 2006 |
4.3 / 5 (29) |
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Giant whirlpools of electrically charged gas, some 40 000 kilometres across, have been witnessed above the Earth by a team of European and American scientists. Using data from ESA's Cluster quartet of spacecraft, ...
Do galaxies follow Darwinian evolution?
Dec 06, 2006 |
3.8 / 5 (31) |
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Using VIMOS on ESO's Very Large Telescope, a team of French and Italian astronomers have shown the strong influence the environment exerts on the way galaxies form and evolve. The scientists have for the first ...
Novel magnets made from the strongest known hydrogen bond
Dec 06, 2006 |
3.5 / 5 (30) |
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A team of scientists from the US, the UK and Germany has been the first to make a magnetic material constructed from nature's strongest known hydrogen bond. Hydrogen bonds are responsible for many of the properties ...
Global warming will reduce ocean productivity, marine life
Biology /
Dec 06, 2006 |
3.5 / 5 (24) |
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A 10-year, satellite-based analysis has shown for the first time that primary biological productivity in the oceans - the growth of phytoplankton that forms the basis for the rest of the marine food chain - ...
Blame our evolutionary risk of cancer on body mass
Dec 06, 2006 |
4.7 / 5 (16) |
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A key enzyme that cuts short our cellular lifespan in an effort to thwart cancer has now been linked to body mass. Until now, scientists believed that our relatively long lifespans controlled the expression of telomerase--an ...
Dramatic snake colour-change mystery solved
Biology /
Dec 06, 2006 |
4.4 / 5 (16) |
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The mystery surrounding a snake that undergoes a spectacular colour change has been solved by ANU ecologists who have found that the skin of the green python – which begins life either bright yellow or red ...
Fibers used in bullet-proof vests quadruple toughness of dental composites
Dec 06, 2006 |
4.1 / 5 (15) |
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Vistasp Karbhari, a professor of structural engineering at UC San Diego, has developed fiber-reinforced polymer composites as strong, lightweight materials for aerospace, automotive, civil and marine applications, ...
Hotspots or not? Isotopes score one for traditional theory
Space & Earth / Earth Sciences
Dec 06, 2006 |
4.2 / 5 (13) |
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New chemical evidence sheds light on the physical constraints of 'hotspots' -- locations where upwellings of Earth's mantle material form seamounts and island chains. Although the existence of hotspots has ...
PhD researcher develops inexpensive, sustainable production method
Dec 06, 2006 |
4.7 / 5 (9) |
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Delft University of Technology (Netherlands) PhD candidate Maaike Kroon has developed a sustainable and inexpensive production method for the chemical industry. This method combines reactions and separation processes, does ...
No matter their size black holes 'feed' in the same way
Dec 06, 2006 |
4.4 / 5 (9) |
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Research by UK astronomers, published today in Nature reveals that the processes at work in black holes of all sizes are the same and that supermassive black holes are simply scaled up versions of small Galact ...
Tracing the formation of long-term memory
Dec 06, 2006 |
4.4 / 5 (8) |
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The formation of long-term memory in fruit flies can be demonstrated by the influx of calcium into cells called mushroom body neurons that occurs after special training that includes periods of rest, said researchers from ...
