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Great Barrier Reef Hit By Its Most Widespread Coral Bleaching, Study Finds

3 months 2 weeks ago
More than 40% of individual corals monitored around a Great Barrier Reef island were killed last year in the most widespread coral bleaching outbreak to hit the reef system, a study has found. The Guardian: Scientists tracked 462 colonies of corals at One Tree Island in the southern part of the Great Barrier Reef after heat stress began to turn the corals white in early 2024. Researchers said they encountered "catastrophic" scenes at the reef. Only 92 coral colonies escaped bleaching entirely and by July, when the analysis for the study ended, 193 were dead and a further 113 were still showing signs of bleaching. Prof Maria Byrne, a marine biologist at the University of Sydney and lead author of the study, has been researching and visiting the island for 35 years.

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Words alone won't get the stars and stripes to Mars

3 months 2 weeks ago
So you want to go to the Red Planet. How deep are your pockets and how much time do you have?

Comment  "America is going to Mars," said Elon Musk at yesterday's inauguration of US President Donald Trump. America is already there, thanks to decades of robotic exploration.…

Richard Speed