A koala population’s rapid rebound may let it escape inbreeding’s perils

A rapid koala rebound in southeastern Australia is also boosting their genetic variation, showing one way out of an extinction death spiral. After nearly disappearing from the region over a century ago, the marsupials’ recovery has come with increased reshuffling of genes, enhancing their long-term chances of adaptation and survival. The findings, published March 5…

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Life on Mars could reach Earth by riding asteroid impact debris, new study suggests

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system. Better known as Deinococcus radiodurans, this microbe is arguably the toughest organism known to science. Past studies have shown it can endure extreme cold, intense radiation, harsh chemicals and profound dehydration—all evolutionary adaptations, perhaps, to what’s…

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OpenAI launches GPT-5.4 with native computer use mode, financial plugins for Microsoft Excel, Google Sheets

The AI updates aren’t slowing down. Literally two days after OpenAI launched a new underlying AI model for ChatGPT called GPT-5.3 Instant, the company has unveiled another, even more massive upgrade: GPT-5.4. Actually, GPT-5.4 comes in two varieties: GPT-5.4 Thinking and GPT-5.4 Pro, the latter designed for the most complex tasks. Both will be available…

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