日本纪念核爆七十周年

BBC News

  1. 日本高调纪念核爆炸七十周年
  2. 利比亚移民船只颠覆,救援希望渺茫
  3. 马航搜索范围太大
  4. 埃及新苏伊士运河开通仪式
  5. 叙利亚伊斯兰国继续挺进
  6. 阿富汗东部发生自杀式爆炸
  7. 韩国总统表示,将大刀阔斧改革就业市场
  8. 巴西建筑商因腐败被判监禁十六年
  9. 无线电爱好者与宇航员联系

创业 : 一定要天时地利人和

The single biggest reason why startups succeed

TED.jpg

Bill Gross has founded a lot of startups, and incubated many others - and he found one factor that stands out from the others - and surprised even him.

尖叫声为什么那么刺耳

What All the Screaming Is about

Got your attention? Thought so. But what is it about a piercing shriek that really turns our heads? It's what it does to our brains. The acoustical properties of the human scream poke at the neural circuits that control fear. That's according to a study in the journal Current Biology.

Our every waking moment is filled with noise, from planes flying overhead to various creatures scrambling underfoot. But a heartfelt cry can cut through all that. So what's so special about the sound of a screech?

想长命,多吃辣

BBC News

  1. 印度两趟列车脱轨,数节车厢坠桥
  2. 肯尼亚两艘船相撞
  3. 国家专家开始鉴定残骸
  4. 澳大利亚政府煤矿项目遭环保主义者废除
  5. 韩国前总统夫人访问朝鲜
  6. 里约奥运会在即,交通水质问题严重
  7. 吃辣活得更长久
  8. 潜水世界冠军遭遇洋流失踪
  9. 研究表明,手术室放音乐会干扰医生