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Even more striking were the changes that occur as sharks grow. At around 3m in body length, white sharks undergo a major dental transformation. Juvenile teeth are slimmer and often feature small side ...

A group of German scientists tested the effects of a more acidic ocean on sharks' teeth and found that future generations of sharks could have weaker teeth because of changing ocean chemistry.

PORTLAND, Maine (AP) — Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their lives. But changes in the ocean’s chemistry could put ...

Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their lives. But changes in the ocean's chemistry could put those weapons at risk.