人类的大脑容量变得越来越大，于是人类开始发明越来越多的工具和机器。
The human brain grew bigger, and human beings began to invent more and more tools and machines.
就像奥巴马向我们展示过的那样，当然，迪恩之前也这样干过，互联网是人类曾经发明过的一切事物中最强大的资金筹集工具，而我们必须要好好利用它来做得更多更好。
What Obama has shown, and Dean before him, is that the Internet is the most powerful fundraising tool ever invented, and we have to harness it to do more and do better.
与此同时，Takken的队伍发明了一种可以使这个发现得到进一步研究的工具：一种用人类或动物血作为诱饵的陷阱，这个陷阱比所有其他的方法都有效。
Takken's group, meanwhile, has developed a tool that could help shed more light on the discovery: a trap that USES human or animal scents as bait and that is more efficient than current methods.
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