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  5. The Gene — the big ideas

Thinking books · Scientific thinking · Siddhartha Mukherjee, 2016

The Gene — the big ideas

A history of genetics that doubles as a demonstration of scientific reasoning.

Free — no account needed to read

The big ideas

It shows how a concept gets built and revised over a century, with each generation’s certainty later turning out to be partial.

Its account of eugenics is a sustained case study in how scientific authority gets used to justify a conclusion decided elsewhere.

It is careful about what is known, what is likely and what is speculation, and marks the boundaries — which is itself the lesson.

Practise it — no need to have read it

Take a claim in your field. Sort what you believe about it into known, likely, and assumed. Mark the boundaries explicitly.

A hint: Most confident positions turn out to be mostly the third category.

Where it shows up in real life

  • Evaluating research
  • Health decisions
  • Marking your own uncertainty

Described in our own words with the source named — never quoted, and not a substitute for reading the book.

The thinking it builds

  • Critical Thinking — Evaluate claims and evidence
  • Logical Thinking — Reason consistently

Previous: The Logic of Scientific Discovery — Karl Popper

Next: The Selfish Gene — Richard Dawkins

This is part of Thinking Lab, a free course on My Full Journey. Reading every lesson is free with no account. A free account adds saved progress, private answers and practice with your own life in Thinking Lab. See every free course.