Why is water so important for people, animals, and plants?
World-Running Water
Why is water so important for people, animals, and plants?

Look around at every living thing you can imagine — a sleepy cat, a towering oak, the person reading this book. Hidden inside all of them is the same secret ingredient, sloshing quietly in the background. It's not gold. It's not magic. It's water. Plain, ordinary, world-running water.
Here's the wild part. You are mostly water. Not a little — a lot. About two-thirds of your body is water, packed into your blood, your brain, even your bones. You are basically a clever, walking puddle that learned to talk.
