A great white shark is a masterwork of evolutionary engineering. These beautiful predators glide effortlessly through the ...
An ancient shark older than forests still glides through deep oceans today. Its strange teeth, slow life cycle, and dinosaur-era origins reveal how early seas shaped survival across mass extinctions.
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 ...
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