Some 170 million years ago, deadly Jurassic crocodiles ruled the oceans. But researchers think they have unlocked the key to their successful reign of terror -- by mimicking the shape and senses of whales and dolphins.
원문출처 : https://www.cnn.com/2020/04/21/world/ancient-crocodiles-whales-intl-scli-scn/index.html
원문출처 : https://www.cnn.com/2020/04/21/world/ancient-crocodiles-whales-intl-scli-scn/index.html