According to Your Body, There Are Only Two Seasons

New research suggests human biology only knows winter and spring

Dana G Smith
Elemental
Published in
6 min readDec 22, 2020

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Image: Xuanyu Han/Getty Images

Autumn leaves changing color. The first winter snow. Daffodil blossoms signaling the start of spring. The long, hot days of summer. At temperate latitudes in Europe and the Americas, nature’s four seasons are a big part of people’s lives. But it turns out human biology…

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Dana G Smith
Elemental

Health and science writer • PhD in 🧠 • Words in Scientific American, STAT, The Atlantic, The Guardian • Award-winning Covid-19 coverage for Elemental