WASHINGTON -- Data from the Ulysses spacecraft, a joint NASA-European Space Agency mission, show the sun has reduced its output of solar wind to the lowest levels since accurate readings became available. The sun's current state could reduce the … [Read more...] about Solar Wind At 50-Year Low: NASA
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Sun Baking on Low: New Data from Solar Probe Ulysses
The solar wind — a stream of charged particles ejected from the sun's upper atmosphere at 1 million miles per hour — is significantly weaker, cooler and less dense than it has been in 50 years. And for the first time in about a century, the sun went … [Read more...] about Sun Baking on Low: New Data from Solar Probe Ulysses
Grain Stubble as Petrol
Biofuels made from the stubble left over from harvesting grains could replace around one fifth of the volume of petrol used in Australia. The article, Grain Stubble Could Power a Greener Future, by Anna Salleh, at ABC Online, doesn’t explain that … [Read more...] about Grain Stubble as Petrol
Old Growth Forest as Official Carbon Sink: A Note from Luke Walker
At the United Nations climate conference in Bali last year delegates agreed to include forest conservation in future discussions on a new global warming treaty. If adopted, REDD (Reducing Emissions From Deforestation and Degradation) means that the … [Read more...] about Old Growth Forest as Official Carbon Sink: A Note from Luke Walker
New Reef Creatures
"Hundreds of new kinds of animal species, including 130 colourful corals, have been discovered. The extraordinary creatures were found by researchers systematically exploring waters off two islands on the Great Barrier Reef and a reef off … [Read more...] about New Reef Creatures
Drop in Rainfall, But Not Wheat Harvest
Since the 1970s, there has been a drop in rainfall in the wheat growing region of Western Australia, but this has not translated into a decline in wheat production. Indeed wheat production in Western Australia peaked in 2003 at 11 million … [Read more...] about Drop in Rainfall, But Not Wheat Harvest
Jennifer Marohasy BSc PhD is a critical thinker with expertise in the scientific method.
