The Four Fundamental Forces of Nature

Physicists have discovered a delicate balance for each of the fundamental forces of nature. The smallest changes in them lead to a radically different universe: universes without atoms, without chemical bonding, without stars. This video is a clip from AlwaysAsking.com Episode7: "Was the universe made for life?" Full article: https://alwaysasking.com/was-the-universe-made-for-life/