When one of Ursula’s royal sisters is suddenly found broken and stripped of all her powers, Ursula takes it as an attack upon their collective authority, and sets out to find and punish the culprit ...
A massive 37-million-year-old underwater canyon reveals the fossil trace of an ancient Atlantic tectonic boundary.
Sleeper sharks live extraordinarily long lives and can thrive in near-freezing ocean temperatures near Earth's poles.
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