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The question of why to study science doesn't have to be answered for the scientist (or aspiring scientist). If you are one of the people that acquire science, then no explanation is needed. You may already have some of the scientific skills you need to pursue such a career, and the whole point of the study is to gain the skills you don't have yet.

However, it can often feel like science courses of any stripe are a waste of your time for those who are not pursuing a career in science, or in technology. In particular, courses in the physical sciences tend to be avoided at all costs, with courses in biology taking place to fill the scientific requirements necessary.

The argument for ""scientific literacy"" is widespread in the 2007 book Why Science by James Trefil? To focus on civic, aesthetic and cultural arguments to explain why a very fundamental understanding of scientific concepts is necessary for non-scientists.

Trefil refers to the ""physics first"" approach that Nobel laureate Leon Lederman presented in his educational reforms based in Chicago in 1988. Trefil's analysis is that this method is particularly useful for older (i.e., high school age) students, while he believes that the more traditional first curriculum of biology is suitable for younger (elementary & middle) students.

In short, this approach underscores the idea that physics is science's most fundamental. Chemistry, after all, is applied in physics, and biology (at least in its modern form) is essentially applied in chemistry. You can, of course, extend beyond that into more specific fields: for example, zoology, ecology, and genetics are all further biological applications.

But the point is that in principle all science can be reduced to basic concepts of physics like thermodynamics and nuclear physics. In fact, this is how physics developed historically: Galileo determined basic principles of physics while biology still consisted, after all, of different theories of spontaneous generation.

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