New research proposes the Brain-First Hypothesis: the evolution of the brain drove animal diversification during the Cambrian ...

Front Cover; Epigenetic Mechanisms of the Cambrian Explosion; Epigenetic Mechanismsof the Cambrian Explosion; Copyright; Contents; Introduction; Hypotheses on the ...

More than 500 million years ago, during what is known as the Cambrian period, the seas and oceans on Earth were filled with a ...

The Cambrian period, often celebrated for the “Cambrian explosion”, marked a pivotal phase in the history of life when early arthropods emerged and rapidly diversified. These organisms not only ...

Microscopic squiggles found in 890-million-year-old Canadian reef rocks may represent the oldest animal body fossils, ...

The Cambrian is a geologic period of the Paleozoic Era, spanning approximately 539–485 million years ago, characterized by a major diversification of multicellular life known as the Cambrian explosion ...

A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the Grand Canyon, one of the natural world's most iconic sites. The rich fossil ...

For decades, scientists have wondered what triggered the sudden "explosion" of complex animal life on Earth. This new hypothesis suggests that the answer isn't found in shells or legs, but in the ...