在线广播

科学美国人60秒:美国总统候选聚焦能源问题
Presidential hopeful Mitt Romney pledged to achieve North American energy independence by 2020 this week. That's a presidential move because every president since Richard Nixon has pledged so
2012-08-28 编辑：melody 标签：我来听写
科学美国人60秒:福岛核泄漏导致蝴蝶变异
Japan's Fukushima Daiichi nuclear power plant suffered three meltdowns last year. Paired with hydrogen explosions, these meltdowns allowed radioactive material to escape. So what's th
2012-08-20 编辑：melody 标签：我来听写
科学美国人60秒:在北极海上勘测石油
The Chukchi Sea lies between Alaska and Russia just north of the Bering Strait. Shell Oil hopes to begin drilling in these Arctic waters in the next few days—if the U.S. government grants permission
2012-08-13 编辑：melody 标签：我来听写
科学美国人60秒:紫外线让鱼患皮肤癌
Ultraviolet rays don't just bronze sunseekers on the beach. Underwater, they can give hammerhead sharks a suntan. And worse—give fish skin cancer. So says a study in the journal PLOS ONE.紫外
2012-08-06 编辑：melody 标签：我来听写