核糖核酸的干扰作用为研究人员搞清生命生长提供了一个新工具——比如说,植物是如何展现其独特外形的,婴儿的小手在母体里是如何形成的,等等。
RNA interference gives researchers a new tool for understanding how living things grow--how a plant assumes a particular shape, for example, or how a baby's hand forms during gestation.
尽管在2000年至2009年观测到的结果正好相反,但却有助于研究人员进一步了解植物在持续变化的气候条件下是如何生长的。
Regardless, the observed decrease in plant growth between 2000 and 2009 helps researchers better understand how plants might respond to a changing climate.
目前研究发现了一种植物是如何做到这一点的:一种沙漠中生长的大黄类植物可以比邻近的植物捕捉到多出十六倍的水分。
Now research shows how one plant does this: The desert rhubarb plant captures 16 times more liquid from its bone-dry surroundings than neighboring plants.
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