Researchers presented the cuttlefish with two options: a case with some shrimp or a case with more shrimp. Each case contained between one and five shrimp, and the cuttlefish always picked the case ...
As a kid, Sabrina Imbler loved the ocean. They'd swim and snorkel, following around parrotfish in the water. Later, they tried to learn everything they could about these brightly colored tropical fish ...
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