The summary of the text is:
- A girl named Poliana introduces herself and her app, the game of content, which helps people see the bright side of their problems.
- A boy named Bento suspects that a rock musician named Cássio might be his father and goes to his concert with his friend João to confront him.
- A couple named Brenda and Jefferson break up after Brenda kisses another boy and their photo is posted online by Brenda's friend Gabi.
- A woman named Joana is unemployed and frustrated, while her husband José tries to cheer her up with the game of content app.
- A girl named Lorena has an asthma attack and her friends take her to the hospital.
- A boy named Luca chats with a girl named Gabi online and they flirt with each other.
- A woman named Luiza has an art exhibition and her mother praises her talent and courage.
- A man named Cassiano visits a barbershop and demands money from the owner, who owes him a debt.
Here are the key facts extracted from the text:
1. A nuclear fusion reaction was sustained at temperatures over 100 million°C for 30 seconds.
2. The core temperature of the Sun is around 15 million degrees Kelvin.
3. The KSTAR facility achieved a net energy gain in a nuclear fusion experiment.
4. The experiment conducted is a significant step towards practical nuclear fusion energy.
Please note that these are simplified statements and the full context can provide more detailed information.