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他汀药物能减少关节置换术后的血栓危险
2023-12-06Statins(他汀类药物) have long been known to lower cholesterol(胆固醇) and, more recently, to decrease the risk of deep vein thrombosis (blood clots) in health...
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小型生物能发电站会促进农村经济发展
2023-12-06As energy costs rise, more Americans are turning to bioenergy to provide power to their homes and workplaces. Bioenergy is renewable energy made from ...
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动物体表保护色的演变史
2023-12-06Imitation is the most sincere form of flattery -- especially in the predator/prey/poison cycle. In nature, bright colors are basically neon signs(霓虹灯)...
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过去五千年自然选择改变了欧洲人的外貌
2023-12-06There has been much research into the factors that have influenced the human genome since the end of the last Ice Age. Anthropologists(人类学家) at Johann...
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地球在宇宙中的位置图
2023-12-06We live in a galaxy known as the Milky Way -- a vast conglomeration(聚集,团块) of 300 billion stars, planets whizzing around them, and clouds of gas and d...
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火山帮助众多物种躲过冰河时期
2023-12-06An international team of researchers has found evidence that the steam and heat from volcanoes and heated rocks allowed many species of plants and ani...
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培养社交情感技能的教室能同时提高学生成绩
2023-12-06Classroom programs designed to improve elementary school students' social and emotional skills can also increase reading and math achievement, eve...
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动物的进化促进了海水的氧化
2023-12-06The evolution of the first animals may have oxygenated Earth's oceans -- contrary to the traditional view that a rise in oxygen triggered their de...
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科学家在大气中发现四种新人造气体
2023-12-06Scientists at the University of East Anglia have identified four new human-made gases in the atmosphere -- all of which are contributing to the destru...
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验血可预测认知功能障碍
2023-12-06Researchers have discovered and validated a blood test that can predict with greater than 90 percent accuracy if a healthy person will develop mild co...