【Native Speaker每日综合训练—28系列】【28-09】科技

啦啦噜啦啦

哎哟~谢谢ppx
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[1:59] A research shows that how a semi aquatic deer like creature adopted to become a whale.
[2:10]
=>Current vaccine is not as effective as old vaccine for pertussis when it is tested on baboons.
-> However, some people argue that it is too early to draw the conclusion on human.
=> Pertuss is a disease that can not be cured after getting it.
-> It was severe during the pre-war world II
-> there is a recovery these years. This phenomenon can be explained by the development of machine or the unwillingness of parents' attritute towards give their chirldren vaccine.
=> previous research do find that new vaccine can not last as long as the old.
[2:37] => researchs conducted to teast the effectiveness of the vaccine.
-> the result turns that the whole-cell vaccine is more effective than the acellular vaccine.
[2:40] => Another researchs shows that baboon that are vaccined with the acellular vaccine can spread the disease to the unvaccined baboon. While the whole-cell vaccine won't.
-> Some reaserchers argue that it is premature to say this will happen to human.
-> Some researchers affirm the result of the research.
-> Cherry argues that there is a reason for not using the whole-cell vaccines and that it is not ethical to use people to test the vaccine.
[3:06]
Fungal can fight with each other for territories. They even use gases to kill others.
Boddy growed fungal in her lab and found that the fight between them is like a sports league.
The author cirticize the imconpleteness of Boddy's analogy.
这篇看的好无力啊。。。
[8:19]
It is said that happiness is so vague that cannot be tested, however scientists say that they can measure happiness.
=> Scientists test happiness by simply asking how happy they are. They can get the satistics as valid as the economists' measure of poverty or growth.
=> The effect of happiness.
-> Some effects are not sure but happiness does prolone people's live as long as nine years.
=> the richer does not mean the happier
-> Richer countries are happier than poorer countries
-> once people reach to some levels, they won't be happier. Two reasons to explain. One is that happiness doesn't lost long. The other is that they tend to compare with others.
=> the causes of happiness
-> Deeper relationship with friends and family
-> a belif in something bigger than you
-> Something meanful to pursue
=> the cause of unhappiness
-> the lost of a spouse
-> the lost of a job
=> it is possible to lift our biological set range of happiness