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熟睡有利于曲调的记忆
2023-12-06Want to nail that tune that you've practiced and practiced? Maybe you should take a nap with the same melody playing during your sleep, new provoc...
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母山羊不会忘记自己孩子的叫声
2023-12-06Mother goats do not forget the sound of their kids' voices, even a year after they have been weaned(断奶) and separated, according to scientists fro...
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新方法利用干细胞培养心肌细胞
2023-12-06A cutting-edge method developed at the University of Michigan Center for Arrhythmia Research successfully uses stem cells to create heart cells capabl...
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七千年前人类已开始食用牲畜奶
2023-12-06The first unequivocal(明确的) evidence that humans in prehistoric Saharan Africa used cattle for their milk nearly 7,000 years ago is described in resear...
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海冰融化威胁帝企鹅的生存
2023-12-06At nearly four feet tall, the Emperor penguin is Antarctica's largest sea bird -- and thanks to films like "March of the Penguins" and &...
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博客有助新妈妈们缓解压力
2023-12-06New mothers who read and write blogs may feel less alone than mothers who do not participate in a blogging community, according to family studies rese...
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维生素C能提高作物种子产量
2023-12-06Biochemists at the University of California, Riverside report a new role for vitamin C in plants: promoting the production of twins and even triplets(...
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斑马鱼通过“社会学习”获得信息
2023-12-06Individuals in some species learn information about food, predators, and potential mates indirectly from conspecifics(同种个体) , without taking unnecessa...
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何处放置核废料?
2023-12-06Researchers in Finland have found that acceptance of the site of a spent nuclear fuel repository(储藏室) can depend on gender and economic background. Wr...
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海绵动物体内发现神经系统进化历程
2023-12-06UC Santa Barbara scientists turned to the simple sponge to find clues about the evolution of the complex nervous system and found that, but for a mech...