But those flying in 24-hour light headed straight towards the sun.

但那些在24小时连续光照环境中的蝴蝶会一直朝着太阳飞去。

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Every morning now she turns on a specially constructed light box for half an hour and sits in front of it to trick her brain into thinking it's still enjoying those long summer days.

现在她每天早上都会打开一个特制的灯箱半小时，坐在前面，让自己的大脑以为它还在享受漫长的夏日。

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After one hour of exposure to light, they reported in a recent issue of Applied Materials &Interfaces, the capsules killed more than 95% of the bacteria used in the study.

他们在近期的《应用材料和界面》中报道，在接受光照一小时之后，这种胶囊杀死了多于95%的用于实验的细菌。

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And this is a very fast speed, of course, it's about 700 million miles per hour. So, one way to put that in perspective is to think about how long it takes for a light beam to get from earth to the moon. Does anyone have any guesses? Eight seconds, that sounds good.

当然这是一个非常快的速度，它大约是每小时7亿英里,为了更形象化，我们,看看光从地球到月球,需要多少时间，你们猜猜是多少？,8秒，猜的不错。

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The museum was open that day, leaving Mr. van Vliet and his team half an hour to light almost 2, 000 red, white and blue candles on its central staircase.

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Susan White Mathis, a native of Atlanta, had long been in search of a place to build an African retreat, and after an extensive search, she settled on Madikwe Game Reserve, a 185, 000-acre tract of arid bushveld located an hour by light aircraft northwest of Johannesburg.

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In 1996 the House of Commons failed to pass a private members' bill proposing that the time in Britain be aligned with that in the rest of Europe, yielding an extra hour's light every afternoon, summer and winter.

ECONOMIST: Time��s up