PORTLAND, Maine — 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 ...
STANFORD, Calif. (KGO) -- If you ever come face-to-face with the wrong kind of shark, there's something you probably want to avoid. Just a hint: they're long and really sharp. But now, researchers at ...
As the best hunters in the ocean, sharks have scared and fascinated people for generations. They rule the ocean with rows of very sharp teeth and senses that can pick up even the smallest splash. The ...
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