330K views · 8K reactions | There was a time in Earth’s history that was so stable, geologists once called it the Boring Billion. But the fact is, this period was anything but boring. In fact, it set the stage for our modern version of plate tectonics - and probably for the rise of life as we know it. For more videos like this, check out our Youtube channel at youtube.com/eons | Eons • PBS | Facebook