4.23 Speaking Human activities, environmental pollutions do cause distinctions of many species. But study and research show that many species stayed unchanged. Many species stay relatively constant. New species appeared, our bio-system is transformed, we still have our eco-diversity. 2:09 Bark lice: female has genital organ and insert into male genial ones to extract sperms How the female creature extract sperm from male ones Scientists feel surprised about the phenomenon. There is a trend that female ones dominate the reproduction process. 2:59 How spines work in the process of lice sex. The author lists some examples that female creatures have a different role compared with normal sexual behavior. Female seahorse and Neotrogla. The genital roles reversal makes scientists believe that there are many creatures that have unknown physical behavior. 3:02 MRSA are prevalent in NYC. Scientists have made some research in two places where the bacteria are abundant, and got some results. The genome sequencing method helps a lot in epidemiological investigation. Most of these bacteria are descendant from species in 1993. 80% of them are involved, other are transformed through genetic trees. 2:30 California and Taxas have found the trace of MRSA. It suggests that they are introduced into NYC many times rather than by local strains. Scientists are study the role hospital plays in the process of the bacteria spreading. MSRA USA300 are resistant to a special antibiotics. Scientists say that we should not use antibiotics too much because it causes the bacteria become resistant to these drugs. 2:07 Mule migration. They followed the path thousands of years old. People have recorded their migration routs for quite a long time. Their migration surprise biologists. 这篇文章读完感觉基本都是在叙述 很多细节的东西没有记录 大概就记下了一个主要的内容 4:03 India has become the largest sources providing applicants for US graduate studies over China. Why? 1 The warm US economy. India applicants are fewer in UK after it has changed its work visa. These two countries have different job market situation, UK has mainly business and management opportunities, whereas US has full range of jobs. 2 top universities in US are more likely to recruit students, especially those self-funded ones. Concern The talent flow has brought concerns for India people. China has invested a lot in its higher education, but India doesn’t take the same move as China does. 文章结构很清楚,每一段的主题句也很清晰,做笔记的时候就很清爽,而且题材也是我非常关注的,所以读完以后就知道该怎么写了。 这篇文章字数少,也比较简单。昨天那篇1000多字的,看完有点晕乎乎的,而且记录的内容也是比较零散。还有很长的路要走~~~ |