【每日阅读训练第四期——速度越障19系列】【19-14】科技

muyi0810

1:42
Dogs, although evolved from the wolves, gained more social intelligence according to some researchers. Wolves are better than dogs at cooperation.
1:38 Dogs may experienced an trade-off: they are better at learning from human than from their own kind.
1:45 Signs in the cancer drugs' effectiveness made many people believe that the cancer drug market is optimistic.
1:24 Cancer is a complicated and expensive disease. The failure in experimenting the drugs, the high price of the drugs and complication of the disease all contributed to the high price of rescuing it.  
0:55 The plant tissue that frozen over 400 years ago found in the glacier revealed that the plant can regrow after hundred  years of frozen. This fact may contribute to the recolonization in some part of the world.
5:21 An infant has some problem with his airway so the doctors used the newest technology in the field to rescue him. They made a customized model of his organ using the 3-D tech and the regime succeed.