Tìm ra kẻ trung gian giữa cá sấu tiền sử và hiện đại
Các nhà khảo cổ Brazil hôm qua tuyên bố họ đã tìm thấy hoá thạch của một loài ăn thịt cổ đại, là mắt xích mất tích lâu nay giữa các loài cá sấu tiền sử với cá sấu ngày nay.
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