单词:calomel electrodes
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If you know anyone who is deaf, then you know the cochlear implant has offered hope and help for some people. This next story may be the equivalence where restoring sight is concerned. While the science is very different and very tricky, the promise
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. When it comes to pain, its the thought that counts. Because pain hurts more when its inflicted on purpose. Or so say researchers from Harvard University
If scientists have their way, we may someday be tapping maplesnot for pancake fixins, but for power. Because researchers from the University of Washington in Seattle have found theres enough electricity flowing in trees to run an electronic circuit.
TVs are more useful than radios. From TV you can see and hear what is happening in the world. However, radios are not disappearing. They are still with us. And the number of listeners is becoming larger. Do you know why? One reason for this is the in
Science and technology 科学技术 A mind to walk again 一个让残疾人重新站起来的伟大想法 A trial of thought-controlled robotic legs is taking its first steps 用思想控制的机器人腿已经开始研制 ANYONE who saw Claire Loma
模仿文本: Brandy, speaking there, had suffered from a severe depression resistant to all previous forms of treatment. So had Andrea, whom you heard before her. John, by contrast, has a quite different illness, Parkinson's disease. But all three