An underlying feature of life is metabolism which is using energy to drive the system. <br /><br />According to Stephon Alexander, there was a previous universe which collapsed and then bounced out into a revived universe; this Big Bounce is part of a never-ending cycle of contraction and expansion. In 2012, Alexander stated that a neutrino can have a repulsive force that prevents crunching into a singularity. <br /><br />The existence of animals and plants is because of a fine-tuned universe. Lee Smolin proposed cosmological natural selection as the answer for how the universe is fine-tuned to accommodate the life of humans. <br /><br />Thanks for watching. Follow for more videos. <br />#cosmosspacescience <br />#throughthewormhole <br />#season3 <br />#episode3 <br />#cosmology <br />#astronomy <br />#spacetime <br />#spacescience <br />#space <br />#nasa <br />#spacedocumentary <br />#morganfreeman <br />#universe <br />#istheuniversealive <br /><br />