The document summarizes several scientific conferences attended by the author. The first conference discussed DNA damage sensing and repair in cancer progression, potential new drugs for cancer, and tips for graduate students. The second conference focused on using synthetic biology and metabolic engineering to sustainably produce hydrocarbons from biomass as an alternative fuel. The third conference taught evolution and biology of sex in an engaging way by addressing students' questions. Attending these conferences helped the author learn about different fields and universities, practice English, and consider future opportunities in science.