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Philosophy

Philosophy of Science

Quick fact

The philosopher Karl Popper argued that a theory can only be scientific if it can be proven false—a concept he called falsifiability. But this idea itself has been criticized and refined for decades.

Why this is interesting

We trust science to explain the world, but what actually makes an idea “scientific”? Does a lucky guess or a conspiracy theory count as science if it’s testable?

Read the full explanation

Understanding Philosophy of Science

Philosophy of science isn’t about doing experiments—it’s about stepping back and asking big questions: What is a scientific explanation? How do we decide between competing theories? When does a field become “scientific”? For example, astrology and astronomy both make predictions, but one is considered pseudoscience. Philosophers try to draw the line—the “demarcation problem.” They also study the methods scientists actually use, from controlled experiments to statistical reasoning. By understanding these foundations, you see that science is not just a collection of facts, but a dynamic, self-correcting process with its own history and philosophy.

A deeper explanation

The heart of philosophy of science lies in understanding how knowledge evolves. Karl Popper proposed falsificationism: a theory is scientific only if it makes risky predictions that could be disproven. For instance, Einstein’s relativity predicted light bending during an eclipse—a test that could have failed. In contrast, Freudian psychoanalysis seemed to explain everything but offered no way to be proven wrong. However, Thomas Kuhn later showed that science doesn’t progress by simple falsification; it undergoes revolutions. Normal science works within a “paradigm” (like Newtonian physics), until anomalies pile up, leading to a crisis and a paradigm shift (like the shift to relativity). This means science is both logically structured and historically shaped. Philosophers also examine the role of values, the nature of scientific explanation, and whether we can ever truly know reality. Understanding these ideas helps you think critically about data, evidence, and the claims made in the name of science.

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