Maturity, from hippos to Harry Potter passing through Freud and ancient Greece: children and the world in a thesis

At one point, the speaker on stage starts talking about the “hippos imported to Colombia from Pablo Escobar. They have reproduced by the thousands, and you know that the hippo is a very aggressive species, it is creating big problems for that country. “The audience, ignorant on the subject, listens with great attention.” I also performed some experiments on the coral reef, and it opened my eyes to the threats to the ecosystem. “