A former resident of Canberra complained today on talkback radio about how the city had become “tatty” during her brief absence. Apparently her family now lives somewhere up the north coast and have green lawns. The difference I reckoned was that the … [Read more...] about Changing Habitat – A Note from Gavin
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Earth’s CO2 Balance
Using evidence from an Antarctic ice core, Zebee and Caldiera calculated that over a period of 610,000 years the long-term change in atmospheric CO2 concentration was just 22 parts per million volume (ppmv), although there were larger fluctuations … [Read more...] about Earth’s CO2 Balance
Natural Gas to Replace Oil in Australia?
The recent prediction by the head of Caltex Australia that the price of oil may very well double the already record highs for crude, have only heightened concerns about the security of Australia's future fuel supplies. The Federal Government, for … [Read more...] about Natural Gas to Replace Oil in Australia?
Biofuel Production Criminal: Jean Ziegler
The United States and the European Union have taken a "criminal path" by contributing to an explosive rise in global food prices through using food crops to produce biofuels, the United Nations special rapporteur on the right to food said today. At … [Read more...] about Biofuel Production Criminal: Jean Ziegler
Satellite Tagged Seals Collect Data from Ocean Around Antarctica
The latest research from scientists in Antarctica reveals the deep ocean around the frozen continent is becoming less salty and that this could play a major role in changing ocean currents and the climate. New details about changes to salinity are … [Read more...] about Satellite Tagged Seals Collect Data from Ocean Around Antarctica
Oh, what a golden web she weaves (part III)
Funny, the things that you see in nature, like this humanoid face on the cephalothorax of a golden orb-weaver, Nephila pilipes. I have previously described aspects of this spectacular species of spider, here and here. With this instalment, the … [Read more...] about Oh, what a golden web she weaves (part III)
Jennifer Marohasy BSc PhD is a critical thinker with expertise in the scientific method.
