单词：levelhandedness
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This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. When it comes to handedness, righties rule. And according to a new study, they have for a long time, because even half a million years ago, nine out of 10
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This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation
Scientific American(四)月
[00:05.49]Why are some people left-handed? [00:09.09]Scientists have been trying to answer that question for many years. [00:14.32]Research has shown that ninety percent of people naturally use their right hands for most tasks. [00:22.94]But hundreds
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经过对剑桥雅思听力题的总结，我们发现，许多题目存在着比较关系，破解了题目中的比较关系，也就可以正确解题。下面，我们就来为大家讲一讲雅思听力题中的比较关系。 在这里，我们把
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台湾籍旅美老师今天交给我们的句子是： And despite what many may think, handedness is not a choice. It can be predicted even before birth based on the fetus' position in the womb. So, if handedness is inborn, does that mean it's genet
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