For decades, scientists have sought to explain the so-called "Cambrian Explosion," a pivotal period over 500 million years ...

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

An explosion does not need to strike the head to injure the brain. When a blast occurs, it generates a sudden pressure wave that can pass through the body and skull in milliseconds, potentially ...

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 ...