Even if the sun will cause limited daily light aging, immune system changes and skin cancer.

哪怕有限的日常日晒也会造成光衰老，免疫系统的变化和皮肤癌。

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Horseshoe crabs kept in the dark continuously for a year were found to maintain a persistent rhythm of brain activity that similarly adapts their eyes on a daily schedule for bright or for weak light.

人们发现，连续一年被关在黑暗的环境中的鲎仍然可以保持稳定的大脑活动节奏，这种稳定的节奏也使得它们的眼睛适应每日或明或暗的光线。

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"I turned on the light and screamed," Brunacci, 38, told the New York Daily News.

38岁的布鲁纳奇告诉《纽约每日新闻》：“我开了灯，然后尖叫起来。”

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Shannon is arecipient of the Daily Point of Light Award, presented by Points of Light.

WHITEHOUSE: Engage and Connect

Of 87 million barrels the world produces daily, only 10 million are light (not too gooey) and sweet (low in sulfur).

FORBES: Strategic Oil Move

Choosing a daily vitamin regimen is especially daunting in light of two new studies out this week.

CNN: Experts weigh in on which vitamins to toss back or toss out