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Invasive mussels now control a key nutrient in the American Great Lakes(图)
Invasive mussels key nutrient American Great Lakes
2021/3/5
The health of aquatic ecosystems depends on the supply of key nutrients, especially phosphorus. Too much phosphorus results in unwanted eutrophication, an over-enrichment of nutrients, and much effort...
By the late 21st century, the number of people suffering extreme droughts will double(图)
late 21st century number people suffering extreme droughts double
2021/2/5
Researchers at Michigan State University are leading a global effort to offer the first worldwide view of how climate change could affect water availability and drought severity in the decades to come...
Desalination breakthrough could lead to cheaper water filtration(图)
Desalination breakthrough cheaper water filtration
2021/1/18
Producing clean water at a lower cost could be on the horizon after researchers at the University of Texas at Austin and Penn State solved a complex problem that had baffled scientists for d...
Managing salt pollution to protect drinking water resources and freshwater ecosystems(图)
Managing salt pollution protect drinking water resources freshwater ecosystems
2021/1/8
Doctors often tell us, "cut back on your salt." And just as too much dietary salt is bad for blood pressure, too much salt in our nation's streams, lakes, and reservoirs threatens ecosystem health and...
Texas will soon face driest conditions of last 1,000 years(图)
Texas driest conditions last 1,000 years
2020/7/17
Texas' future climate will have drier summers and decreasing water supplies for much of the remainder of the 21st century -- likely resulting in the driest conditions in the last 1,000 years, accordin...
The chemical signature left behind by hurricanes, fires, cold snaps and droughts can linger in the slow-moving water of the Florida Everglades for up to a decade, researchers report.
波澜壮阔的中国人民抗日战争,既是一场伟大的民族解放战争,也是世界反法西斯战争史上的璀璨篇章。尽管距离中国人民抗日战争胜利已整整74个春秋,但这一充满苦难辉煌的胜利进程,已成为难以忘却的集体记忆铭刻在每一个中华儿女心中。今天我们回顾历史,是为了以史为鉴,获取智慧和启迪,从而更好地珍爱和平。回顾这场正义与邪恶、光明与黑暗、进步与反动的生死大决战,用鲜血和生命换来的宝贵历史经验更显弥足珍贵。
日本媒体公布侵华日军使用毒气证据,当地学者表示——“我们了解到的只是冰山一角”
侵华日军 毒气
2019/7/11
日本共同社2019年7月7日报道,日本历史研究学者松野诚也近日发现一份记录侵华日军曾在中国战场使用毒气弹情况的“战斗详报”。松野诚也表示,这是首次发现日军毒气部队自己记录的使用糜烂性毒气等相关信息文件,铁证如山。有日本学者指出,此次松野诚也发现的一手资料是侵华日军所写的作战报告,对于粉碎日本右翼美化侵略战争的诡辩具有决定性的历史意义。
日本民间团体纪念“七七事变”82周年
日本民间团体 七七事变
2019/7/10
“日中友好8·15之会”等日本民间团体7日在日本埼玉县埼玉市举行集会,纪念“七七事变”82周年。与会人士呼吁民众勿忘历史。现年94岁的“日中友好8·15之会”代表干事冲松信夫举着反战月刊《8.15》对记者说:“我一直研究战争历史。从1961年创刊开始,我经常给期刊投稿。让更多的人了解真实的历史非常重要。”
最后一位被中国军民营救的美国二战飞行员辞世(图)
美国二战 飞行员 理查德·科尔
2019/4/12
当地时间4月9日上午,美国俄亥俄州代顿市国家空军博物馆里最后一樽杯口向上的银色“酒杯”也要扣置了。77年前,参加“杜立特尔机队轰炸东京”的80名美国飞行员中最后一位在世者、被中国人民冒死营救的1号机组副驾驶员理查德·科尔,在美国圣安东尼奥逝世,享年103岁。