Geochronologists say Antrim coastline’s basalt columns developed over 5.5m years – 8m less than thought For centuries, the tale has been passed from generation to generation: how the Irish giant Finn McCool built the Giant’s Causeway in Northern Ireland to fight Benandonner, his Scottish rival, by hurling chunks of the Antrim coastline into the sea. Now, scientists have revealed it was intense volcanic activity during a “major globally impacting volcanic event” – and not a legendary battle between two destructive giants – that led to the formation of the coastline’s 40,000 distinctive interlocking basalt columns about 60m years ago . Continue reading... from The Guardian https://ift.tt/GRn8atH via IFTTT
Tasmanian salmon farms blocked from using antibiotic florfenicol after detection in wild fish 10km away
Regulator suspends permit due to ‘unacceptable risk’ antibiotic poses to other species in move welcomed by environmental campaigners
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Australia’s veterinary medicines regulator has suspended the use of florfenicol in salmon in Tasmania because of the “unacceptable risk” the antibiotic poses to other species.
The Bob Brown Foundation said the Australian Pesticides and Veterinary Medicines Authority’s (APVMA) decision was an “indictment of the industrial fish farm companies and their complete disregard for the marine environment”.
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