As the scientists explain, moving objects with light can be done using the photophoresis effect in air and other gases.
这些科学家解释说，利用空气和其他气体中的光脉现象可以实现用光移动物体。
Since then, scientists have found clues to explain these animal transitions in the fossil and molecular records, as well as in energetic analyses, but the full story is yet to be discovered.
自那时起，科学家陆续找到了化石和分子水平的证据，以及通过能量分析来解释这一进化过程，但是尚未达到完全理解的程度。
Scientists can't really explain it, why Wim Hof, the 48-year-old Dutchman known as' iceman ', is able to withstand temperatures that could be fatal to the average person.
今年48岁的荷兰人维姆·霍夫能够忍受对常人致命的低温，因此被称为“冰人”，这一现象科学家尚无法解释。
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