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太阳磁场将翻转
2023-12-06Something big is about to happen on the sun. According to measurements from NASA-supported observatories, the sun's vast magnetic field is about t...
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植物如何避免被晒伤
2023-12-06A Dartmouth-led team has discovered a group of stress-related proteins that explains how plants avoid sunburn in intense light, a finding that one day...
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海豚终生不忘其社会记忆
2023-12-06Dolphins can recognize their old tank mates' whistles after being separated for more than 20 years -- the longest social memory ever recorded for ...
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抗氧化剂不能提高女性怀孕的几率
2023-12-06There is no high quality evidence that antioxidant(抗氧化剂) supplements help to increase a woman's chances of having a baby, according to the results...
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分子扫描器即将问世
2023-12-06Molecules could soon be "scanned" in a fashion similar to imaging screenings at airports, thanks to a detector developed by University of Pi...
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珊瑚礁的减少彻底影响海洋食物网
2023-12-06If history's closest analog(模拟) is any indication, the look of the oceans will change drastically in the future as the coming greenhouse world alt...
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热带树木不宜长期收采
2023-12-06Chronic harvesting of a tropical tree that many local communities in Western Africa depend on can alter the tree's reproduction and drastically cu...
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臭氧保护协议对控制气候也有益
2023-12-06The global treaty that headed off destruction of earth's protective ozone layer has also prevented major disruption of global rainfall patterns, e...
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骨密度与质量共同影响骨折的风险性
2023-12-06In a study carried out at the University of Eastern Finland, bone histomorphometry(组织形态测定术) and infrared spectroscopy revealed abnormal bone propertie...
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瞳孔大小能解答是非判断问题
2023-12-06Patients who are otherwise completely unable to communicate can answer yes or no questions within seconds with the help of a simple system -- consisti...