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<i>A joint UK-US team has put forward an alternative theory of cosmic evolution.<br /><br />It proposes that the Universe undergoes cycles of "Big Bangs" and "Big Crunches", meaning our Universe is merely a "child of the previous one".<br /><br />It challenges the conventional view of the cosmos, which observations show to be 12-14 billion years old.<br /><br />The new ideas, reported in the journal Science, may explain why the expansion of the Universe is accelerating, the researchers say.<br /><br />"At present the conventional view is that all of space, time, matter and energy began at a single point, which then expanded and cooled, leaving the Universe as it is today," said Professor Paul Steinhardt of Princeton University, New Jersey.<br /><br />"However, this new theory suggests that there's a continuous cycle of universes, with each a repeat of the last, but not an exact replica.<br /><br />"It can be thought of as a child of the previous universe."</i> <br /><br />Full Story <div class="Discussion_UserSignature"> <p><em>Differential Diagnosis: </em>"<strong><em>I am both amused and annoyed that you think I should be less stubborn than you are</em></strong>."<br /> </p> </div>