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More than half a million people were displaced for >1 y during a 2012 conflict in Sudan (1). The ongoing violence led civilians to seek shelter in caves and to disperse in mountainous regions for safe...
Background: Maternal prepregnancy adiposity may influence child adiposity beyond the transmitted genetic effects, which, if true, may accelerate the obesity epidemic, but the evidence for this mechani...
Background: Maternal prepregnancy adiposity may influence child adiposity beyond the transmitted genetic effects, which, if true, may accelerate the obesity epidemic, but the evidence for this mechani...
Background: Both genetic and environmental factors are known to affect body mass index (BMI), but detailed understanding of how their effects differ during childhood and adolescence is lacking.
Background: Growth assessment based on the WHO child growth velocity standards can potentially be used to predict adverse health outcomes. Nevertheless, there are very few studies on growth velocity t...
在海南琼海市和万宁市的城市和乡村调查了汉族643例(男为334例,女为309例)成人的22项头面部体质指标,计算了13项头面部体质指数,对海南汉族头面部形态特征的年龄变化进行了初步分析.结果显示:① 眼内角间宽、眼外角间宽、唇高、红唇厚度这4项指标值与年龄呈负相关.上唇皮肤部高度、容貌耳长、容貌耳宽、面颊皮褶这4项指标值与年龄呈正相关.并且上述指标值在不同年龄组中存在有统计学意义的差异.② 随年龄...
为了解广东地区汉族人群的舌运动能力,选取了广东省化州市472例汉族进行了卷舌、叠舌、翻舌、尖舌和三叶舌5种舌运动类型的调查.结果显示:5种舌运动类型的出现率分别为52.54%,4.24%,18.86%,69.49%和6.36%,低于其他大多数族群,与南方族群更接近;除尖舌外男女之间无显著差异;卷舌-翻舌、卷舌-三叶舌之间的相关程度较高.表明广东化州地区汉族的舌运动能力总体上处于较低水平.
Convergence and free-will     reductionism  artificial  intelligence       2011/9/8
If our mind is just an algorithm running on a flesh hardware, then it seems that there is no place for the free-will. An algorithm decides everything based on deterministic computations, or on random ...
This paper has three goals. The first is to introduce the “knowledge game”, a new, simple and yet powerful tool for analysing some intriguing philosophical questions. The second is to apply the knowle...
微卫星已被广泛应用于群体遗传学、生态学和进化生物学研究。然而,一些物种微卫星尚未克隆。为了节省时间和经费,研究人员往往使用一个物种已发表的微卫星引物扩增其近缘物种的微卫星。该研究对属于3个不同科(Clariidae、Heteropneustidae 和Pimelodidae)的7个鲶鱼物种的微卫星跨物种PCR扩增产物进行了序列分析,研究发现扩增非同源(non-orthologous)产物是微卫星跨...
对怒族170例中学生7项不对称行为特征(利手、扣手、叠臂、叠腿、利足、起步和优势眼)进行了调查.结果显示:(1) 除起步外,怒族其他6项不对称行为特征的出现率R型远高于L型;(2) 怒族7项不对称行为特征的出现率除叠腿、优势眼性别间差异显著、利足性别间差异极显著外,其他4项指标的出现率均无性别间差异;(3) 与我国8个民族比较,怒族扣手R型率很高,起步R型率低,其余5项R型率多无显著性差异;(4)...

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