What is the fine-grained topic of the following text: Memes, Teacher, and Best: source is mentioned in our blog: www.unbellevablefactsblog.com erpize A science teacher from rural Kenya who donates most of his salary to help poorer students has been crowned the world's best teacher and awarded a $1 million prize, beating 10,000 nominations from 179 countries. Only return the topic.
Science teacher from Kenya awarded as world's best teacher