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研究人员发现意料之外的磁力
2023-12-06Theoretical work done at the Department of Energy's Oak Ridge National Laboratory has provided a key to understanding an unexpected magnetism betw...
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全球将在几十年之内面临干旱威胁
2023-12-06The United States and many other heavily populated countries face a growing threat of severe and prolonged(延长的,拖延的) drought in coming decades, accordi...
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过时的伐木方式导致高水土流失
2023-12-06Clear-cut logging and related road-building in the 1950s and 1960s in southern Oregon's Siskiyou Mountains disrupted(破坏,分裂) soil stability and led...
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研究人员利用眼球测试家畜神经疾病
2023-12-06The eyes of sheep infected with scrapie(痒病) – a neurological disorder similar to mad cow disease – return an intense, almost-white glow wh...
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研究发现对儿童使用镇静剂的好方法
2023-12-06Procedural sedation(镇静) and analgesia(止痛) is an essential element of care for children requiring painful procedures in the emergency department. The p...
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质子辐射疗法可用于治疗早期肺癌
2023-12-06Proton beam therapy(辐射治疗) is safe and effective and may be superior to other conventional treatments for Stage I inoperable(不实用的,不能动手术的) non-small cel...
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脑部基因活性取决于基因背景
2023-12-06Researchers at the Allen Institute for Brain Science have found that the same genes have different activity patterns in the brain in individuals with ...
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日本朋友间很少分享个人秘事
2023-12-06In the United States, friends often share intimate details of their lives and problems. However, such self-disclosure(揭露,揭发) is much less common in Ja...
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蜜蜂的记忆力随衰老而衰退
2023-12-06A study published Oct. 19 in the open access journal Public Library of Science (PLoS) ONE, shows that not just human memories fade. Scientists from Ar...
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雌激素替代疗法可加速卵巢癌扩散
2023-12-06Estrogen(雌性激素) therapy used by menopausal(更年期的) women causes a type of ovarian(卵巢的,子房的) cancer to grow five times faster, according to a new study by ...