text: Feathered embryo found in China A 121 million-year-old baby arboreal bird, fossilised while still curled in its egg, has been found in China, Science magazine reports this week.
inputs: Feathered embryo found in China A 121 million-year-old baby arboreal bird, fossilised while still curled in its egg, has been found in China, Science magazine reports this week.