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Asked to name his favorite tree, Paul W. Meyer, the former director of Penn’s Morris Arboretum, likens the task to “asking a parent to name their favorite child.”
A new study has found that the larvae of haddock, a commercially important type of cod, have a magnetic compass to find their way at sea. Haddock larvae orient toward the northwest using Earth's magne...
High-throughput sequencing technologies are currently revolutionizing the field of biology and medicine, yet bioinformatic challenges in analysing very large data sets have slowed the adoption o...
The key word in the title of John Heine's thorough and extensively referenced book on scientific diving techniques is "practical." The book is not only packed with clear descriptions of the huge varie...
Nancy Baron, the communications specialist for COMPASS (the Communication Partnership for Science and the Sea), wrote the book reviewed here, giving it the subtitle of "A guide to making your science ...
Scientists on the Dark Energy Survey have released the first in a series of dark matter maps of the cosmos. These maps, created with one of the world's most powerful digital cameras, are the...
本书内容全面,包括应用软件、网络资源、序列分析和利用核酸序列与蛋白质序列进行预测的的方法。以下是该书的目录:1、因特网与生物学家,2、GenBank序列数据库,3、结构数据库,4、应用GCG进行序列分析,5、生物数据库的信息检索,6、NCBI数据模型,7、序列比对和数据库搜索,8、多序列比对和实际应用,9、系统发育分析,10、利用核酸序列的预测方法,11、利用蛋白质序列的预测方法,12、鼠类和人类...
A guide for young people living with HIV to help them understand their sexual rights, and live healthy, fun, happy and sexually fulfilling lives.Sharingyour HIV status is called disclosure. Your decis...
Involving men and boys in sexual and reproductive health (SRH) and HIV programmes is critical: for their own benefit, that of women and girls, and for enhancing gender equality. This publication combi...
We study the guiding of $^{87}$Rb 59D$_{5/2}$ Rydberg atoms in a linear, high-gradient, two-wire magnetic guide. Time delayed microwave ionization and ion detection are used to probe the Rydberg atom ...
Colony-specific cuticular hydrocarbons are used by social insects in nestmate recognition. Here, we showed that hydrocarbons found on the mound of Pogonomyrmex barbatus nests facilitate the return ...
2010年10月28日,中国科学院武汉物理与数学研究所科研人员成功拍摄到高空80-110km 钠层人造激光导星。钠激光导星由高性能激光激发80-110 km高空钠原子发出共振荧光,形成一个悬在空中的“人造星星”,对该光源进行探测或成像,可开展大气光学研究,如用于自适应光学大气湍流光学矫正系统,在高清晰天文成像、空间目标识别、激光武器、高速自由空间激光通信等领域有重要应用,是国内外大气光学研究的热点...
The microlensing technique has found 10 exoplanets to date and promises to discover more in the near future. While planetary transit light curves all show a familiar shape, planetary perturbations to...
Bound states of the Hamiltonian describing a quantum particle living on three dimensional straight strip of width $d$ are investigated. We impose the Neumann boundary condition on the two concentric w...

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