Amateur dinosaur tracker uncovers some rare fossils
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Edwin Hubble changed our ideas about the universe
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When my twin sons, Chad and Brad, were born, 阅读理解答案
Storm aftermath brings ruin for one NYC family
Low-lying areas of New York City suffer flooding
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When Andrew was born in Jiangsu, China, his father opened 阅读理解答案
I can still remember it as if it happened yesterday阅读理解答案
French experts question GMO cancer study
Whether you're a child, teenager, young adult or 阅读理解答案
After Sandy, Wall Street closed for 2nd day
For a person, belief always plays an important role in his life
Wastewater plants extract nutrients from sewage
Spain's economic crisis sparks Catalonia independence drive(视频)
Hurricane Sandy reignites climate change debate
It’s time to go back to school! Both Chinese and American阅读理解答案
Cloud Atlas: A tale of birth, death and re-birth
Jimmy Doolittle: a pilot and leader
American history: Slavery in the American South