Complex sentence: For example, the Quintom Scenario was applied in 2008 to a model of inflationary cosmology without a Big Bang singularity, and in 2007 to a Big Bounce model of the universe.
Split into simpler sentences: For example, one application of quintom scenario in 2008 was to a model of inflationary cosmology without Big Bang singularity. One application of quintom in 2007 was in a Big Bounce model of the universe.