Study: Maybe There Was More Than 1 Big Bang

If you were to condense the planet's 4.5-billion-year history into a single calendar year, then sometime from the 18th to the 20th of November, as conventional wisdom would have it, the animal kingdom would undergo a dramatic transformation. A world dominated by blobby, sedate creatures that sift seawater for food would suddenly give way to a new menagerie of active predators and prey, sporting innovations such as eyes, jaws, legs, and shells. The ancestors of all the major modern animal groups would appear, and seemingly take over from their predecessors.