天文学家探索NGC346星云，识别出一个在黑暗中排列的恒星胚胎群，就是这幅图的右侧可见的交叉的星尘线。
Exploring NGC 346, astronomers have identified a population of embryonic stars strung along the dark, intersecting dust lanes visible here on the right.
爱因斯坦抓住了问题的实质，他写道：“数十年黑暗中对真理的探索，只可意会不可言传的体验”。
Einstein captured it best when he wrote, "the years of anxious searching in the dark for a truth that one feels but cannot express."
但是，当一个勇于探索的的科学家把招潮蟹放在黑暗中，他惊讶的发现蟹壳的颜色依然准确的按时间转变。
But when an enterprising scientist placed a fiddler crab in darkness, he was amazed to find that the color of the crab's shell kept ticking off the time with the same accuracy.
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