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Shark teeth offer clues to ancient climate change（图）
Shark teeth clues ancient climate change
2021/2/5
A character in a great white shark movie said that all sharks do is "swim and eat and make little sharks."It turns out they do much more than that. Sharks have roamed Earth's oceans for more than 400 ...
How do shark teeth bite?Reciprocating saw,glue provide answers
shark teeth Reciprocating saw glue
2016/9/29
Sharks have a big reputation for their teeth.The ocean predators use their buzz saw mouths to efficiently dismantle prey, ranging from marine mammals and sea turtles to seabirds and — as Hollywood lik...