Scientists propose explanations for questions about the natural world, and engineers propose solutions relating to human problems, needs, and aspirations. Many different people in different cultures have made and continue to make contributions to science and technology. Science and technology are reciprocal. Science helps drive technology, as it addresses questions that demand more sophisticated instruments and provides principles for better instrumentation and technique. Safe living involves the development and use of safety precautions and the recognition of risk in personal decisions.
Injury prevention has personal and social dimensions.
Science and technology have advanced through contributions of many different people, in different cultures, at different times in history. Some scientists work in teams, others alone, but all communicate with one another. Science requires different abilities, depending on such factors as the field of study and type of inquiry. Science is very much a human endeavor and relies on human qualities and habits of the mind. Nature of science Scientists formulate and test their explanations of nature using observation, experiments, and theoretical and mathematical models.