在波兰东南部的圣十字山的一座废弃的采石场，（科学家）曾发现过动物脚印的化石，经鉴定，为3.95亿年前形成，比发现的最古老的四角龙（一种拥有四肢而非鳍的脊椎动物）化石要早1.8亿年。
In early January 2010, another group of scientists found the oldest fossilized footprints made by a four-legged creature
哈伯德曾夸口说山达基能够提高一些人的智商，每听析一个小时提高智商一个点。
Hubbard had boasted that Scientology had raised some people's I.Q. one point for every hour of auditing.
他从没爬过危险的山，但他曾爬过一些很大很难爬的山。
He has never climbed a dangerous mountain, but he has climbed some quite big and difficult ones.
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