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喜鹊父母能辨认出布谷鸟幼鸟
2023-12-06Cuckoos that lay their eggs in the nest of a magpie(喜鹊) so that their chicks can be raised by the latter better hope that their young are not raised t...
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犹他州南部发现史前超级火山
2023-12-06Brigham Young University geologists found evidence of some of the largest volcanic eruptions in earth's history right in their own backyard. These...
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极地飓风比想象中频繁
2023-12-06From 2000 to 2010, about 1,900 cyclones churned across the top of the world each year, leaving warm water and air in their wakes -- and melting sea ic...
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变色龙之间利用体色进行交流
2023-12-06To protect themselves, some animals rapidly change color when their environments change, but chameleons change colors in unusual ways when they intera...
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某普通土壤细菌似乎拥有触觉
2023-12-06A common soil dwelling bacterium appears to possess a sense of touch, researchers have shown. A study, by Dr James Stratford at The University of Nott...
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长鼻苍蝇吮食比普通苍蝇更高效
2023-12-06A long-proboscid fly with an extra-long, tongue-like proboscis(鼻子) might seem to take extra-long to feed on a flower, but it actually has an advantage...
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千年不变的阿尔卑斯山冰川正在融化
2023-12-06Less than 20 miles from the site where melting ice exposed the 5,000-year-old body of Ötzi the Iceman, scientists have discovered new and compell...
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遗传对学习成绩的影响大于环境
2023-12-06The degree to which students' exam scores differ owes more to their genes than to their teachers, schools or family environments, according to new...
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巨蜥呼吸时气流在肺中单向循环
2023-12-06Air flows mostly in a one-way loop(环,圈) through the lungs of monitor lizards -- a breathing method shared by birds, alligators and presumably(大概,推测) d...
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血凝块可以吸收细菌毒素
2023-12-06Blood clots play an unexpected role in protecting the body from the deadly effects of bacteria by absorbing bacterial toxins, researchers at the Unive...