David A. Norman

David A. Norman is an expert in geology and paleontology, specializing in the study of fossils and Earth's ancient history. His work often involves examining rocks and fossils to understand how life and the planet have changed over millions of years. Norman has made significant contributions to understanding the evolution of early life, particularly in the context of Earth's geological timeline. His research helps scientists piece together the history of Earth's biological and environmental changes, enhancing our overall understanding of how life has developed and responded to climate shifts over Earth's deep past.