科研之友
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<正>News about the natural world was not great in 2018.Ice sheets were melting at unprecedented rates,greenhouse gas emissions were accelerating like"a speeding freight train,"insects appear to be disappearing.But in the midst of all this bad news,there was a tiny bright spot:the scads of new species discovered in 2018.Flattie spiders with ultra-fast spin moves These spiders,found in the Americas,Africa,Australia,and Asia,have the quickest pivot in the world,allowing them to change direction in
