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Lightning bolts illuminate clouds of ash above Chile's Chaiten volcano. Cases of electrical storms breaking out directly above erupting volcanoes are well documented, although scientists cannot agree what causes them Chile fears effects of volcanic ash

Monday, 12 May 2008Article has photo slideshow
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.
Subjects: volcanic-eruption, environmental-management, air-pollution, land-pollution, water-pollution, environmental-health, earth-sciences Locations: argentina, chile

The OPAL reactor was today given approval to restart after a nine-month shutdown Nuclear reactor fuel 'flawed from start'

Monday, 5 May 2008
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.
Subjects: nuclear-issues, energy, engineering, physics, research-organisations, newsanalysis Locations: argentina, lucas-heights-2234, france

Neanderthals are our evolutionary cousins but were a separate species to anatomically modern humans, says new research Neanderthals were quite separate

Monday, 5 May 2008
A simplified family tree of humanity has dealt a blow to those who contend that Neanderthals intermingled with our forebears.
Subjects: anthropology-and-sociology, archaeology, evolution Locations: argentina

Pressure building up in this leaf creates a 'crack' pattern of squished, cigar-shaped cells that differentiate into veins, scientists say. But not everyone agrees Leaf veins 'crack' under stress

Monday, 14 April 2008
You might assume that a leaf's vein patterns fork, like tree branches splitting into twigs as they get further from the trunk. But peer carefully and you'll see that the veins make innumerable closed loops.
Subjects: gardening, flowerfoliage, botany Locations: argentina, united-states

The 190 million year old dinosaur weighed 4-5 tonnes and lived in a mucher warmer climate than exists in Antarctica today Giant dinosaur found in iceblock

Monday, 17 December 2007
Palaeontologists working on top a frozen Antarctic mountain have extracted a rock and ice fossil popsicle encasing the remains of a massive, previously unknown dinosaur.
Subjects: dinosaurs, fossils, palaeontology Locations: antarctica, argentina, united-states

Giant penguins waddled in the tropics

Tuesday, 26 June 2007
Penguins were waddling and swimming in warm areas tens of millions of years earlier than previously thought, according to scientists who have found two previously unknown types in Peru.
Subjects: animals, palaeontology Locations: antarctica, argentina, peru

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