An earthworm-inspired, self-propelled robotic sleeve designed for installing underground power lines has been developed by a ...

Researchers at Case Western Reserve University are developing a new self-propelled robotic sleeve inspired by the earthworm.

A sense of renewal is in the air in the Arnold Arboretum this time of year when the dark days of winter are behind us and ...

Key Laboratory for Environmental Factors Control of Agro-product Quality Safety, Ministry of Agriculture and Rural Affairs, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural ...

GIANT nuclei have been found by me in the epithelial cells of the pharynx in the earthworm Lumbricus sp. The pharyngeal epithelium of the earthworm was extensively investigated by Keilin 1 ...

在中国，每年的高考英语考试都成为考生们关注的焦点。尤其是在阅读理解部分，很多学生常常会因为一些生词而感到困惑。尽管大家已经掌握了考试大纲中要求的词汇，但是在实际考试中，超纲词汇却往往成为做题的绊脚石。根据以往的高考情况，我们知道，一般生词的比例不会超过3%。然而，语言学家Laufer教授在研究中指出，读者需要掌握文章中95%的词汇才能大致理解内容，若要获得深入理解，掌握98%及以上是必不可少的。那 ...

This outpour of grief was triggered by the appointment of Madam Obuobia Darko-Opoku as the Deputy MD for the Ghana Airport ...

Species of birds are threatened throughout the United States, as documented in the latest edition of the State of the Birds ...