Tyrannosaurs faced midlife crisis too (AP)

By RANDOLPH E. SCHMID, AP Science Writer Fri Jul 14, 8:28 PM ET WASHINGTON - Even the powerful tyrannosaurs seem to have encountered a midlife crisis. Once they made it to about age 2 they could take on just about any other predator and had very little mortality until they reached sexual maturity in their teens, researchers report in Friday's issue of the journal Science. "Survivorship stabilized at between two and four percent per year until midlife at which point they went through an honest-to-God ...