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今日的螺旋星云如何演变而来?
2023-12-06Hubble shows that the beautiful spirals galaxies螺旋星云 of the modern Universe were the ugly ducklings丑小鸭 of six billion years ago. If confirmed, the fin...
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新型材料可有效吸附油污
2023-12-06An ultra-lightweight sponge海绵 made of clay泥土,粘土 and a bit of high-grade plastic draws oil out of contaminated受污染的 water but leaves the water behind. A...
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机构式照顾可能影响到孩子的学习能力
2023-12-06The amount of time children spend in institutional(学会的,制度的) care may affect how their brains develop. That's the conclusion of a new study carried...
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糖分在细胞分裂中起关键作用
2023-12-06Using an elaborate(精心制作的) sleuthing(侦查) system they developed to probe how cells manage their own division, Johns Hopkins scientists have discovered t...
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专家的健康资讯比博客更具可信度
2023-12-06Health information written by a doctor is rated as more credible when it appears on a Web site than in a blog or a homepage, according to a study of c...
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儿童对压力的高敏感性并不总是坏事
2023-12-06Children who are especially reactive to stress are more vulnerable to(易受的伤害) adversity(逆境,灾祸) and have more behavior and health problems than their pe...
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石油公司需推行可持续化发展措施
2023-12-06The entry of oil companies into the realm(领域,范围) of renewable energy could present major obstacles(障碍,阻碍) for the development of a sustainable(持久的,可持续...
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某药物治疗杭廷顿氏症具有明显效果
2023-12-06A medication(药物治疗) previously studied in patients with Alzheimer's disease (latrepirdine) appears well tolerated and may improve thinking, learnin...
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医疗保险赔偿的变化不一定能为病人节省开支
2023-12-06Increased Medicare payments to physicians for outpatient(门诊病人) surgeries for bladder cancer(膀胱癌) have led to a dramatic rise in the number of these pr...
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科学家将揭示儿童期耳聋的病因
2023-12-06Deafness is the most common disorder of the senses. Tragically, it commonly strikes in early childhood, severely damaging an affected child's abil...