Just like that night in Menlo Park when Edison and his team knew their bulb would light but had no idea how long it would stay lit, we were staring at the glimmer of our own light bulb moments.

正如当初在新泽西州的门洛帕克小镇上的那个夜晚，爱迪生和他的团队知道他们发明的灯泡会亮，但不知道它会亮多久，我们正凝视着我们自己的顿悟瞬间。

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The investigators found that when the study participants looked at faces matching their own race, a specific area of the brain "lit up" on the MRI.

据发表于《自然神经科学》上的报告所载，研究者们发现当受试者看到自己种族的人脸时，MRI显示其大脑中的一个特殊区域“亮”了起来。

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This species of fireflies has an internal "sensor" that let's them know when a nearby firefly has lit, in which they respond with their own light as quickly as possible.

这种萤火虫有一种内部“传感器”，附近有伙伴儿亮起来了，它们就会在最短的时间内发光回应。

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Why else would a 20-year-old, or a 35-year-old, choose - willingly, it seems - to die in petrol-fuelled flames lit by their own hands?

BBC: Who is fanning Tibet's flames?

As we walked past houses nearby, we saw the candles lit in the windows and everyone gathering with their own families.

CNN: , Special to

The cosmos was born in the Big Bang about 13.7 billion years ago, and the first stars in the universe are thought to have lit up about 100 million years afterward, when gas finally gathered in clumps dense enough to collapse under their own gravity and ignite nuclear fusion.

MSN: We could soon detect the first stars in our universe