tebieshengming:benwenzhuanzaijinjinshichuyuchuanboxinxidexuyao,bingbuyiweizhedaibiaobenwangzhanguandianhuozhengshiqineirongdezhenshixing;ruqitameiti、wangzhanhuogerencongbenwangzhanzhuanzaishiyong,xubaoliubenwangzhanzhumingde“laiyuan”,bingzifubanquandengfalvzeren;zuozheruguobuxiwangbeizhuanzaihuozhelianxizhuanzaigaofeidengshiyi,qingyuwomenjieqia。

beijingshijian1yue27rixiaoxi,juguowaimeitibaodao,meiguoyoutadaxuekexuejiajinqiyanjiufaxian,dayue120wanniandangrenleizuxiankaishizaifeizhou、ouzhouheyazhoudengdifanyanshi,zonggongdayuezhiyou18500renyongyoufanzhinengli,zhiduobuchaoguo26000ren。yinci,tamenyechengweidangshidejiaoxiaozhongqun,shuyubinweiwuzhongzhiyi。renleizuxiandezheizhongbinweizhuangtaishenzhiyizhichixuledayue100wannian。

 

 

 

 

kexuejiamendezuixinyanjiuguanzhudeshizhenggejiyinzu,erfeixianqianyanjiugongzuosuoguanzhudejutijiyinxitong。yichuanxuejiacaiyongzuixindednayichuanbiaozhiyanjiufangfa,bujinnengyanjiuxiandairenleidejiyin,yenengyanjiuwomenrenleizuxiandejiyin,rudongyazhiliren(tamenbeirenweizuiyoukenengshirenleidezhijiezuxian)、jiangrenyijizaoqizhirendeng。zhidezhuyideshi,yichuanxuejiafaxian,zhiyaoyoulianggerenleidnaxuliexinxi,jiuzuyigusuanchugudaiderenkouguimo。

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亚博APPjukexuejiajieshao,dangshiderenleishengcunzhuangkuangherenkoushuliangyurujindedaxingxingheheixingxingyouxiexiangsi。zhongsuozhouzhi,womenrenleirujinderenkoushuliangjiweipangda,biqitalingzhangleidongwuyaoduodeduo。danshi,shishishangrenleideyichuanbianyiyaobiqitalingzhangleidongwushaodeduo。

 

 

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《kexue》:renleidexiandaixingweizaoyuyuqi50wannian

 

meiguo《guojiakexueyuanyuankan》fabiaolunwenzhaiyao(yingwen)

亚博APPduiyuzheigeqiguaidexianxiang,yixiezhuanmenyanjiujutijiyinxitongwentidekexuejiatichulexuduozhongjieshi,biruzuijintichude“pingjingshijian”lilun。zaizheixiesuoweide“pingjingshijian”zhong,renleichuxiandaguimosiwanghuowufafanyanxianxiang,qizhongyizhuangshijianjiushifashengyudayue7wannianqiandeyindunixiyaduobachaojihuoshandabaofa。juguji,dangshizhiyou1.5wanrenxingcun。lingyizhongjieshishi,zaiguoqu200wannianzhongrenleizuxiandechushenglvzhangqipiandi,youshishenzhizhiyou1wanrennenggouchenggongfanyanhoudai。

wulixuejiazuzhiwangxiangguanbaodaoyuanwen(yingwen)

 

美研究称120万年前人类曾属濒危物种  
 

亚博APPrenleiyichuanxuejialin·yuedehetongshimenyanjiulebufenhanyoukeyidongyuansu(beichengweialuxulie)dejiyin,zheixieyuansushisuijicharudaojiyinzuzhongdeyue300gejianjiduidedna zhangtiaodegegebufen。zheishiyigehanjiandexianxiang,danshiyidanzheixieyuansubeicharu,tamenhuizuoweiyizhongyichuanbiaozhibaoliuzaihoudairendeshenshang。ciwai,yanjiurenyuanhaiduixiandairendelianggejiyinzhongalubiaozhifujindednatubianxianxiangjinxingleyanjiu,zheilianggejiyinyijingbeiwanquanpaixu。zaihanyoualuxuliedejiaolaodeyizuzhong,yanjiurenzhongfaxianlegengduodetubianxianxiang,zheishiyinweitamencunzaideshijianxiangduigengzhang。yanjiurenyuanyunyonglehegansuanduoyangxingfangfagusuanlegaijiyindenianling。ranhou,tamenyoujiangzheixiequyujinxinglezhengtichayixingduibi,yigusuanbutongshiqirenkouguimodaxiaodechayi,yijixiandairenleiyurenleizuxiandeyichuanchayixing。

kexuejiamendeyanjiuchengguo1yue19rifabiaozaimeiguo《guojiakexueyuanyuankan》(pnas)shang。