The article looks at how education is passed down from parents to children in Europe over the past 20 years. They used data from a big survey called the European Social Survey. The researchers wanted to see if more people getting higher education is making it easier for kids from different backgrounds to also get higher education. They found that as more people are getting higher education, it's helping kids from all backgrounds to move up in society. This means that education is becoming more equal for everyone in Europe.