The scientific method's core objective is to mitigate inherent human subjectivity, which arises from individual perceptions, experiences, and even biological differences in how we process information. Early scientific thought recognized that personal biases could distort observations, leading to the development of rigorous, objective methodologies to ensure findings reflect reality rather than individual interpretation. This is crucial because our brains evolved for survival, not necessarily for perceiving objective truth.

Impact: High. This foundational principle underpins all scientific inquiry, ensuring that discoveries are verifiable and reproducible, moving beyond mere opinion or belief.

In the source video, this keypoint occurs from 00:05:49 to 00:10:42.

Sources in support: Emílio Garcia (Biologist)