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How Do We Stay Dry?

by Debbie Landry, Ph.D.

Pages 2 and 3 of 20

How Do We Stay Dry?
Using Biomimicry to Solve a Problem
By Debbie Landry, Ph.D.
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How Do We Stay Dry?
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Using Biomimicry to Solve a Problem
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By Debbie Landry, Ph.D.
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© Deborah Landry, 2023.
All rights reserved.
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How do we stay dry?
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Did you ever wonder how animals and plants stay dry when it rains?

In this book, we will study animals and plants to learn how they keep themselves dry.

Then we will experiment with materials to see if we can mimic them to make paper sneakers waterproof!
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Sheep enjoy playing in the sun, and eating grass and clover. But what happens when it rains?
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Sheep hair is called wool and it is waterproof!

Water rolls off the wool because it's covered with waxy stuff called lanolin.

Lanolin keeps sheep dry!
Image credit: Wendy Stone
Duck feathers stay dry even if a duck swims all day. Their feathers are covered with waxy stuff called preen oil.
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Ducks have glands that make preen oil. Ducks spread the oil all around their body when they are preening.

Preen oil keeps ducks dry!
Image credit: Depositphotos
When it rains, honeybees stay dry inside their hive. Beehives stay dry because they are made of waxy stuff called beeswax.
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Image credit: https://www.honeybeesuite.com/open-air-colonies-from-coast-to-coast/
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