Some animals live by their speed. Others live on claws or poison. But a few species fight back in ways that seem almost ...
The top predator prowling the seas during the age of the dinosaurs 100 million years ago may have been the octopus.
Every octopus alive today exists because its mother died for it, and the answer is written into her DNA. Here is the genetics and biology behind one of nature's most ruthless and elegant designs.
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