Metaspriggina Type post Author Casey Luskin Date November 13, 2026 CategoriesEvolutionPaleontologyScience Education Tagged , __featured1, anemone, backbone, biochemists, BioEssays, body forms, Brooke Flammang, Cambrian Explosion, Cambrian fossils, Carol Kaesuk Yoon, circulatory system, Ediacaran Period, evolution, Evolution (TV series), fish, heart, history of life, medical doctors, Metazoa, Michael Denton, molecular machinery, monophyletic clade, motor protein, movement, muscle contraction, myosin, Nature’s Destiny, New Jersey Institute of Technology, NOVA PBS, Pikaia, pulse, Roger Lewin, Science (journal), Science and Culture Today, scientific literacy, tadpole Censoring the Cambrian Explosion, PBS Evolution Muscles Through a Final Episode Casey Luskin November 13, 2026 Evolution, Paleontology, Science Education 12 If you met someone in the street who told you he was a fish, or claimed that fish don’t exist, you would assume he was insane. Read More ›