【每日阅读训练第四期——速度越障20系列】【20-15】科技

cherryyyy

1-1:04
The spiraling shapes in sunflower appear regularly in clockwise or counterclockwise. The reason is associated with hormone release. Scientists can use this finding to speculate the trend of the sunflower.
2-1:28
The passage introduces a kind of fish which can become father after their death. Female fish tend to live longer and can use sperms to span more offspring.
3-1:56
If India and China could clean up diesel emission on ship and other vehicles, greenhouse effects will be greatly relieved.
Some measures taken by India and China to address pollution.
However different emissions have different functions, we should only remove the emission which will heat the planet.
4-1:48
The situation if we get rid of black carbon aerosol.
One advantage of removing black carbon aerosol is that its effects act immediately.
However, professor emphasized that we should assure the removed emission will heat the planet rather than cool the planet.
5-2:15
Apart from the previous finding, MIT team found that m cells travel faster because they experience less friction.
Introductions of the experiments they used to get the conclusion.
The application of the research.
Obstacle 5:23
Put forward the question:what can science learn from google?
An example of economists who did his study before Internet was invented.
Though having abundant information and data, we still need to understand how it works and there is still much work need to be done.