Scientific breakthroughs are significant discoveries or advancements that change our understanding of the world. These can include new technologies, medical treatments, or theories that explain natural phenomena. For example, the development of the COVID-19 vaccine was a rapid response to a global pandemic, showcasing how science can quickly adapt to urgent needs. Another notable breakthrough is the discovery of CRISPR, a gene-editing technology that allows scientists to modify DNA with precision. This innovation has the potential to treat genetic disorders and improve agricultural practices, demonstrating how scientific advancements can have wide-ranging impacts on society and the environment.