The first question has aclear answer: Yes, we probably could. Spacecraft, including the ones nowexploring Mars, have found evidence that it was warm in its youth, with riversdraining into vast seas.

通过宇宙飞船发回的数据（包括目前正在火星探测的飞行器在内），我们已经发现有证据可以表明，在火星形成初期，它的气候温和，有一段时间曾有河流流入汪洋大海的迹象。

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In The Epic of Gilgamesh they were the ones who got the plant of eternal youth. It's etiological.

在《吉尔伽美什史诗》中,蛇得到了可以永葆年轻的植物，所以蜕皮。

耶鲁公开课 - 旧约导论课程节选

But as Mormons, many of Utah's politicians have either been in Latin America as missionaries in their youth or have loved ones who were.

ECONOMIST: Utah's immigration debate

Perhaps all this confusion over trust--trusting the wrong people, distrusting the right ones--in the online world is just a sign of the Internets youth.

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Building model planes and working on real ones comprised Stockdale's passion, filling the family's basement with models in his youth, jumping into aviation as a career at age 16 and later working at two Detroit-area airports.

NPR: Company IDs 7 Killed In Afghanistan Plane Crash