A possible concise summary is:
The text is a transcript of a Chinese drama episode about a group of high school students who go to Beijing for a summer program. The main characters are Yan Mo, a smart and quiet boy who is expected to study in Cambridge, and Zhao Qiaoyi, a cheerful and outgoing girl who has a crush on him. Yan Mo's mother, Lin Shu, is a famous ballet dancer who hosts a talk show in Beijing. Yan Mo decides to stay in China because of Qiaoyi, but he doesn't tell her his feelings. Qiaoyi misunderstands that he likes her and confesses to him, but he rejects her. Meanwhile, Fei Dachuan, Qiaoyi's cousin, pretends to be sick to get into Yan Mo's apartment and spy on him. The episode ends with the students visiting the TV station where Lin Shu works.
Here are the key facts extracted from the text:
1. A Korean nuclear fusion reactor achieved 100 million°C for 30 seconds.
2. This temperature is nearly seven times hotter than the core of the Sun.
3. The core of the Sun has a temperature of close to 15.7 million Kelvin.
4. The experiment demonstrated that nuclear fusion is moving from a physics problem to an engineering one.
5. A net energy gain was achieved in a nuclear fusion experiment.
Please note that these are based on the snippets provided and for detailed information, you may refer to the articles linked in the search results. Would you like to know more about any specific fact?