Scientists discovered shape-shifting DNA that birthed some of the smartest creatures in the world

Over evolutionary time, segments of cephalopod DNA were rearranged over and over into something highly adaptable and highly ...
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Early Cambrian fossil discovery sheds light on early cephalopod origin and evolution

Extant and ancient cephalopods—including octopuses, squids, extinct ammonites, cuttlefish, and nautiluses—have all had to solve the problem of buoyancy, whether they have hard external shells or not.
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Early Cambrian fossil uncovers key buoyancy structure at the dawn of cephalopod evolution

Extant and ancient cephalopods—including octopuses, squids, extinct ammonites, cuttlefish and nautiluses—have all had to solve the problem of buoyancy, whether they have hard external shells or not.
Nature

The first known cephalopod was only a millimetre long and lived about 520 million years ago

The locomotion of modern cephalopods, such as squid and cuttlefish, relies on buoyancy control achieved mainly by a specialized structure called a siphuncle. The discovery of fossils of Eoceras — a ...