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Field

Life & Earth

Biology, medicine, ecology, geography and climate.

1 Idea · 1 Essay · 3 questions

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The best first read in this field.

  1. IdeaIntro

    Natural Selection: How It Works and Why It Matters

    In 1977 a drought hit a tiny Galápagos island, and a year later its finches had deeper beaks than before. No single bird had changed its beak. You learn how the population changed anyway, why Darwin thought nobody would ever see this, and what 'survival of the fittest' really means.

    7 min read≈ 1,610 words3 questions

Everything else in Life & Earth

Intro