Phát hiện chức năng tàng hình của một số loài dơi
Một nghiên cứu mới nhất của các nhà khoa học Anh cho thấy, một số loài dơi có thể tiến hóa thành những loài có chức năng tương tự như “máy bay tàng hình,” có thể thay đổi sóng siêu âm mà chúng phát ra, khiến cho loài bướm đêm rất khó quan sát được sự tồn tại của chúng.
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