It’s like a junior high school student looking at the doctoral student’s exam questions. At a glance, the first question is two points: briefly describe the four-color theorem.

Yoho, I know! I can get at least two points, so I respectfully wrote: Use four colors to dye each plane map, and no two adjacent areas have the same color.

Looking back and looking back proudly, I saw that it said: Five or more areas connected in pairs cannot be constructed on a plane or spherical surface!

Yang Rui did not expect to persuade first-level scholars to endorse himself, but at least second-level or third-level professors must come forward.

American lawyers may be able to do a lot of things, but Yang Rui's letters may play a greater role in doing this.

Yang Rui wrote letters to Professor Evans and others one by one. They all participated in Yang Rui’s speeches on PCR and also understood related fields. They are very good senior professors.

In addition, Yang Rui tried to list a table with the names and mailing addresses of many Nobel Prize winners in Biology.

There is no harm in trying it.

However, there must be very touching letters to try.

Yang Rui thought hard.
Chapter completed!