Penguins once thrived in Africa; one endangered species lives there today
Snapshot
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Powerful computer simulations show how spiral galaxies get their arms
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Poison dart frog toxins best suited for deterring biting arthropods, research reveals
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Astronomers discover a new kind of supernova
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Success in breeding endangered frogs!
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Salamander DNA reveals evidence of older land connection between Central and South America
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Going for the gut: DNA from beetle stomachs reveals complex network
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Note to St. Patrick: Pls. keep the snakes
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Water channels discovered on Mars
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Alligator relatives crossed ancient seaway
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Six pioneering female scientists you’ve probably never heard of…
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First earth-sized planets found
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4,000-year-old shaman’s stones discovered near Boquete, Panama
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Illustration from American game fishes, their habits, habitat, and peculiarities
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Insect mimic of ginko-like leaf discovered 165 million years after its extinction
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As robins disperse, West Nile mosquitoes switch diet to humans: Q&A with Smithsonian ornithologist Peter Marra
