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地球正變得越來越明亮。但是夜晚過多的人造光線可能會對人類和動物的健康造成負面影響。科學家們擔心光污染的程度正不斷上升。除了讓我們陷入一片黑暗之外，有沒有其他什麼是我們能做的？是否能採取哪些措施使人造照明能持續發展又不傷害我們的健康呢？

The Earth is becoming ever brighter. But too much artificial light at night can negatively affect the wellbeing of people and animals. Scientists are concerned at what they say are rising levels of light pollution. Is there anything that can be done, without plunging us into darkness? What steps can be taken to make our artifical lighting more sustainable and kinder to our health?

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太平洋的海底，深達四公里的地方蘊藏著大量的錳結核。當中包含了許多用於製造電子設備的稀有金屬。有人擔心，開採這些金屬會破壞海洋的自然韻律，並威脅到我們還不甚了解的生態系統。科學家們希望他們的研究能緩解深海採礦對環境的影響。

On the floor of the Pacific Ocean, at a depth of four kilometers, there are vast reserves of manganese nodules. These contain many rare metals used in the manufacture of electronic devices. There are fears that extracting these metals could disrupt natural marine rhythms and threaten an ecosystem that we still don’t really understand. Scientists are hoping that their research will ease the impact of deep-sea mining on the environment.

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研究人員從數碼化中產生的數據浪潮的基礎上進行各種預測。預測分析從數據挖掘中建立演算法來預測社會趨勢和個人偏好。這樣的演算法令商業界和政府及其情報機構很感興趣。

Researchers base a whole variety of prognoses on the tide of data generated by advancing digitalisation. Predictive analytics uses data mining to create algorithms to predict trends in society and individual preferences. Such algorithms are of great interest both to the business world and to governments and their intelligence agencies.

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腸道就像是我們的第二個大腦：腸道神經系統環繞整個腸器官，並不斷地將信息傳遞給大腦，進而影響我們的情緒。研究人員現在已發現人類可分為三種不同的腸道組或稱作腸道型。如同血型一樣，這與性別、年齡或種族無關。此一發現使腸道疾病治療和營養研究有了新的發展。

Our intestine is like a second brain: What’s known as the enteric nervous system surrounds the entire organ, permanently sending information to the brain and influencing our emotions. Now researchers have discovered that humans fall into three different intestinal groups or enterotypes. Like blood groups, these are not linked to gender, age or ethnicity. The discovery has led to promising developments in the treatment of intestinal disorders and in nutrition research.

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氣候變遷的影響在冰川上每天上演並可被測量到。阿爾卑斯山脈冰川的退縮速度比科學家預期的要快得多。這是地方因素導致全球暖化惡化所造成的影響。氣候變化不僅影響了阿爾卑斯山的生態系統，也同時影響永凍土帶支撐岩石及岩屑的力量。冰塊融化的結果是極具毀滅性的。

Glaciers are places where the effects of climate change can be seen and measured on a daily basis. The retreat of glaciers in the Alps has been far more rapid than scientists had predicted. This is due to the exacerbation of global warming by local factors. The changes not only impact the Alpine ecosystem. Permafrost holds rocks and scree in place. If it melts, the results could be devastating.

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