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It’s through this method that the tiger shark can cut through a thick sea turtle shell, which is made of tough keratin. Also, tiger sharks’ jaws are reinforced with calcium and fused in the middle.

As 90s kids, Alexander and Parkhurst were big fans of the TMNT cartoon. With the cartoon turtles’ love of pizza, the pair decided that having the turtles around would be a fun and thematic way to show ...

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Why should we read children's nonfiction animal books? Teaching kids about animals is akin to teaching colors and numbers.