Marine researchers compare shark species across multiple traits to determine which ones dominate their ecosystems. The ranking evaluates speed, hunting technique, sensory ability, and environmental ...
Sharks of every size, shape and lifestyle apparentlt all follow the same fundamental geometric rule. So, what else in nature ...
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Sharks and Rays Get a Lifeline as New Protections Curb Overfishing
In an unprecedented move, CITES has listed dozens of shark and ray species for protection, in hopes their populations can ...
Trees first appeared on Earth during the Devonian period, around 385 million years ago, and dinosaurs about 100 million years later, between 250 to 200 million years ago. But you might be surprised to ...
A rendering of Clavusodens mcginnisi, or “McGinnis’ nail tooth,” an ancient shark that stalked the ocean floor 340 million years ago. Rendering courtesy of the National Park Service A shark no larger ...
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