Today, we stand at a defining moment in our history. With seven straight months of job loss; the highest percentage of homes in foreclosure since the Great Depression; family incomes down $1,000 and t
Prepared Remarks of President Barack ObamaWeekly AddressJune 20, 2009 As we continue to recover from an historic economic crisis, it is clear to everyone that one of its major causes was a breakdown i
The reason that Vibrio fischeri is doing that comes from the biology. 费氏弧菌的发光现象来自生物学上的原因。 Again, another plug for the animals in the ocean, Vibrio fischeri lives in this squid. 接下来，我们再来看一个海洋生物：费式弧菌寄生在
I'm going to speak today about the relationship between science and human values. 今日我要讨论科学和人类价值观之间的关系 Now, it's generally understood that questions of morality -- questions of good and evil an
