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Imagine a tropical forest, and you might conjure up tall trees hung with vines, brightly colored birds, howling monkeys and ... rain. Indeed, precipitation patterns, along with temperature, dictate wh...
From the ground, it's impossible to tell that the plateau underfoot is something extraordinary. But laser imaging and radiocarbon dating revealed a huge structure, which turned out to be the largest a...
Timing is everything. A fresh example supporting the old saying has been found in systems regulated by biological clocks. Research on circadian rhythms, internal 24-hour patterns that affect sleep-wak...
An unprecedented study integrating data from around the globe has shown that honey bees are the world’s most important single species of pollinator in natural ecosystems and a key contributor to natur...
We are pleased to announce the tenth Cold Spring Harbor Laboratory meeting on plant biology and biotechnology, now entitled Horizons in Plant Biology: Arabidopsis to Agriculture. The meeting will begi...
Growth factors play an important role during early ovarian development and folliculogenesis, since they regulate the migration of germ cells to the gonadal ridge. They also act on follicle recruitment...
The purpose of this activity is for students to investigate water quality, and the factors that affect it, at a local beach. This is accomplished by (1) measuring concentrations of Escherichia coli an...
Nitrogen deposition is changing biodiversity on Earth. We need to understand the underlying mechanisms to conserve biodiversity better. Both selection and chance are potential mechanisms, and they may...
Cysteine dioxygenase (CDO) is a non-heme iron enzyme that can be found in mammalian tissue. It is mainly localized in the liver but is also present in the brain, kidney, and adipose tissue. CDO conver...
Abstract: The effect of the energy deposition inside the human body made by radioactive substances is discussed. For the first time, we stress the importance of the recoiling nucleus in such reactions...
Agriculture Secretary Tom Vilsack today testified in front of the Senate Committee on Agriculture, Nutrition, and Forestry Environment on the opportunities to combat child hunger and improve the healt...
Specimens of Mesocricetus brandti were observed in order to assess the onset of hibernation and the inhibition rate of superoxide dismutase (SOD). The first individual began to hibernate on November 2...
We discuss the concept of colimitation of primary productivity in aquatic environments, with an emphasis on reconciling this concept with recent advances in marine bioinorganic chemistry. Colimitation...
期刊信息 篇名 Biomass of bacertioplankton and protists and their ecological importance in the Bering Sea 语种 英文 撰写或编译 撰写 作者 He Jianfeng,Chen Bo,Sung-Ho Kang et al. 第一作者单位 刊物名称 Ocean and Polar Research 页面 26(...
In this study, we analyzed the relative importance of food items of Chondrostoma regium Heckel, 1843. A total of 145 individuals were sampled between April 1993 and March 1994 in Suat Uğurlu Dam ...

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