A scientist is a professional who conducts systematic research to advance knowledge in a particular area of the natural sciences. They use methods such as the scientific method, which involves making observations, forming hypotheses, conducting experiments, collecting and analyzing data, and drawing evidence-based conclusions. Scientists can specialize in many fields like physics, chemistry, biology, astronomy, and more. Their work involves designing experiments, reviewing scientific literature, collaborating with others, publishing results, and continuously learning new developments in their field. Scientists contribute to both theoretical understanding and practical applications that benefit society. The role and perception of scientists have evolved over history, with the modern term "scientist" being coined in the 19th century. Today, scientists are key figures in technological advancement and various industries where research and innovation drive progress. In summary, scientists are explorers and investigators who seek to understand how the natural world works through rigorous, evidence-based inquiry. Their work is essential to expanding human knowledge and solving complex problems.