What do scientists use to learn about how things happen?

Scientists use the scientific method to learn about how things happen, which involves making observations, forming hypotheses, conducting experiments, and analyzing data. They utilize various tools and technologies, such as microscopes, telescopes, and computers, to gather and interpret information. Peer review and collaboration within the scientific community also help validate findings and enhance understanding. Ultimately, this systematic approach allows scientists to build knowledge and develop theories about the natural world.