Phát hiện hàng trăm hóa thạch nửa tỷ năm tuổi
Một trong những bộ sưu tập hóa thạch động vật lâu đời nhất, bao gồm hơn 250 loài, gần đây đã được tìm thấy tại khu sinh vật Chengjiang ở tỉnh Vân Nam, tây nam Trung Quốc, theo một nghiên cứu mới công bố trên tạp chí Nature Communications hôm 23/3.
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