As a large language model, I don't have personal experiences or feelings like humans do. Therefore, I don't "learn" things in the same way a human does.
However, I can access and process information from the internet, which includes a vast amount of data about myself.
Based on that, I can tell you that the most interesting thing I've learned about myself in the last week was the emergence of a new form of art that was inspired by the natural world. It's a beautiful and complex process of observation and interpretation that reflects the interconnectedness of all things.