Scott Stoll logo world traveler. A bicycle wheel and the globe symbolizes Scott's journey around the world on a bicycle.

Favorite Articles

A man wearing a gas mask watches television in a smoggy dystopian world.
Ideas

How long before the Earth runs out of oxygen?

Have you ever wondered how much breathable air is on Earth? And if we will ever run out? Our atmosphere is paper-thin relative to a basketball, and we use its oxygen to power internal combustion engines, like planes, trains and automobiles, and there is a 60% chance that the electricity you are using to read this post came from fossil fuels combined with oxygen.

How much oxygen does a tree produce
Ideas

How much oxygen do plants produce?

I calculate how much oxygen a tree breathes and how much excess oxygen a tree produces in three different ways. Spoiler alert: It’s not a lot.

A dramatic picture of water droplets (clouds). A metaphor for the mass of oxygen on Earth.
Ideas

How much oxygen is in the atmosphere?

I demonstrate how to calculate the mass of oxygen in the atmosphere. And I talk about ten reasons why the accepted values may be wrong.

Scott riding his bicycle on Mars. The background is actual Mars, and the photo of Scott is from Tibet.
Scott's Adventures

Scott’s name lands on Mars

Aboard the Perseverance is my name, “Scott Stoll,” engraved on a silicon chip. Does that make me an astronaut? Are dreams written in stone — or silicon? Can Martians read? 

Bahamas license plates mural artwork
Scott's Adventures

The Untold Stories

When I was younger, I wanted to do something never done before. I wanted to conquer the world and stand on the tallest mountain. As I grow older, I see every day as a new adventure.

Do cats get depressed
Ideas

Is depression bad?

Is depression bad or good, abnormal or normal? Is depression a bodily sensation or an emotional feeling? The answer will surprise you and help you feel better.

A packing list from a bicycle tour guide in 1897. See the article to read the complete list.
Ideas

A bicycle touring packing list from 1897

Times have changed! Both culture and technology. How many of these items from the Victorian era would you include on your cycle touring packing list?

The Hero's Journey
Ideas

What is an adventure?

Words like adventure, hero and epic have become cliches that have lost their meaning. So unfortunately we can’t say: “I’m a a hero going on an epic adventure,” and be meaningful. So, what exactly is an adventure? And how do we make every day an adventure?

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