How a Cookiecutter Shark Takes a Circular Bite
A 28-second 3D anatomy explainer tracks a tiny shark's bite from tooth contact to the circular wound it leaves.
By @zackdfilms for zackdfilmsRuns 00:28
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Why it works
The first frame puts the small shark against the whale, and narration starts at 0:00, making the physical puzzle immediate. A long 3D close-up shows the teeth and rotation in spoken order through 14.4 seconds, with pale direction chevrons around 9–11 seconds; the circular wound then provides a clear visual payoff before the wider survival explanation.
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Tagged 3d animationverticalscience explainermacro close-upmechanism revealnarratedsubtitlesunderwater
