Any normal species would be delighted at the prospect of cloning. No more nasty surprises like sickle cell or Down syndrome--just batch after batch of high-grade and, genetically speaking, immortal offspring! But representatives of the human species are responding as if someone had proposed adding Satanism to the grade-school Curriculum. Suddenly, perfectly secular folks are throwing around words like sanctity and retrieving medieval-era arguments against the pride of science. No one has proposed burning him at the stake, but the poor fellow who induced a human embryo to double itself has virtually recanted proclaiming his reverence for human life in a voice, this magazine reported," choking with emotion."
There is an element of hypocrisy to much of the anti-cloning furor, or if not hypocrisy, superstition. The fact is we are already well down the path leading to genetic manipulation of the creepiest sort. Life-forms can be patented, which means they can be boug
A. nonreligious folks received cloning with open arms
B. the scientist was encouraged to popularize his ideas
C. some people moved strongly against cloning technique
D. a technician was condemned and sentenced to death
倘若你不小心打碎一个花瓶，请不要过分伤心和惋惜。因为，你将有机会来体验丹麦隆比工业大学物理学家雅各布·博尔最新发明的“碎花瓶理论”。
该理论认为，当打碎花瓶以后，其碎片的大小和数量具有严格的制约关系：较大的有若干块，次大的稍多些，小块的更多，而最多的则是小碎片。若按其重量来划分，大致有10～100克、1～10克、0.1～1克或0.1克几个等级。再将这些碎片分类称出重量，就可发现它们之间表现为统一的倍数关系，即较大块的重量是次大块的16倍，次大块的重量是小块的16倍，小块的重量是小碎片的16倍，如此等等。
博尔和他的研究人员进一步指出，叶花瓶或茶杯而言，其倍数均在16倍左右。但不同形状的物体倍数也不一样，如碎玻璃棒为11，碎玻璃球为40，而形状复杂的物体则取其于均数。此外，我们还通过对石膏制品到冻土豆的破坏性实验证实了碎片的倍数值与物体的材料无关，而且只需要拥有部分打碎物体的碎片就可以求出其倍数关系。
上述规律性的原理目前尚不清楚。但是，丹麦学者已利用这一理论来恢复包括陨石在内的不知其原貌的物体。陨石在地球溅落后通常以碎片形式存在，当将它们收集复原后，学者们就得出了如下结论：在进入地球大气层前，这些 A 的天体多数呈圆形，个别的则呈飞碟形，从而为天体研究提供了更为形象的第一手资料。
令人欣喜的是，这一理论还在考古学领域找到了用武之地。如今，历史学家只要通过一些碎片的重量计算就可大致判断所找的大小和形态，使得以往非找全残片后才复原的工作流程大大简化，考古效率因而获得极大的提高。
(选自1996年3月18日《光明日报》“时代周刊”)
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