New Koala Species Found in WA Fossils

A new fossil koala species, Phascolarctos sulcomaxilliaris, discovered in Western Australia, reshapes understanding of koala evolution and extinction 28,000 years ago.

Climate Change to Spread Rodent Viruses to Millions

Scientists warn climate change will cause rodent-borne arenaviruses to spread to new regions in South America, potentially infecting millions. The warning follows a hantavirus outbreak on a cruise ship.

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