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66-million-year-old feather in dinosaur poop may reveal why birds survived the asteroid

출처 ScienceDaily 科学日报12일 전
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A feather discovered inside 66-million-year-old fossilized dinosaur poop may help explain why modern birds survived the asteroid catastrophe. The extinct bird…

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66-million-year-old feather in dinosaur poop may reveal why birds survived the asteroid · 환우통감