The Living Puzzle: Mastering Evolution
Like Duolingo, but for The Living Puzzle: Mastering Evolution. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
For the part of you with thirty open tabs that never became anything.
Free during early access · No credit card · iPhone & Android

Key ideas in The Living Puzzle: Mastering Evolution
- Traits are only passed to the next generation through offspring
- A long life provides more time to reproduce but isn't a substitute for it
- Dangerous traits can persist if they offer a reproductive advantage
- Evolutionary success is measured by genes passed on, not individual safety
- Why long life alone doesn't guarantee evolutionary success
- The tradeoff between individual safety and attracting mates
- Measuring fitness through different outcomes
- The process of a trait becoming common in a gene pool
- The gene pool is shaped only by those who successfully reproduce.
- Evolutionary success is a numbers game of descendants.
- Strength is 'lost' to the future if it isn't passed down.
- Other traits are only tools to reach the goal of reproduction.
- Consequences of the strongest individuals failing to reproduce
- The core metric of evolutionary 'winning'
- The parent's survival is secondary to the offspring's survival.
- Success is measured by the next generation's start in life.
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives The Living Puzzle: Mastering Evolution the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
Imagine a bird with shimmering gold feathers that lives for decades but never has any chicks. What happens to that gold feather trait when the bird dies?
Get it right to open this lesson and 169 more in the app.
Where The Living Puzzle: Mastering Evolution takes you
Move beyond basic survival of the fittest to understand the complex dance of life. Discover how genes shift, why weird traits persist, and how the history of the Earth is written in our own DNA.
- 1
Predicting the Next Generation
- Beyond Survival: The Math of Passing it On
- Why Some Traits Disappear by Chance
- The Hidden Variation in Every Population
- How Fast Can a Species Actually Change?
- 2
The Logic of Strange Features
- Flashy Feathers and the Cost of Attracting a Mate
- Why Evolution Doesn't Make Things Perfect
- Leftover Parts: Clues from the Past
- When Different Species Solve the Same Problem
- The Trade-off Between Speed and Accuracy
- 3
The Social Side of Survival
- Helping Others to Save Your Own Genes
- The Constant War Between Parasites and Hosts
- Cheating and Cooperation in the Wild
- 4
Reading the Genetic Blueprint
- How Mistakes in Copying Create New Worlds
- The Molecular Clock: Timing the Past
- Swapping Genes Without Having Babies
- Jumping Genes and Genomic Chaos
- Comparing Genomes to Find Common Ancestors
- The Role of Non-Coding DNA
- 5
The Birth of New Species
- Barriers That Turn One Group into Two
- Why Hybrids Usually Hit a Dead End
- Rapid Bursts of Change vs. Slow Drifts
- Island Life: Evolution in a Pressure Cooker
- 6
The Master Switches of Shape
- Small Genetic Changes, Massive Body Shifts
- How All Animals Use the Same Toolkit
- Turning Genes On and Off During Growth
- 7
Life on a Changing Planet
- The Five Times Life Almost Ended
- How Continents Moving Reshaped Biology
- The Rise of Oxygen and the First Complex Cells
- Co-evolution: When Two Species Shape Each Other
- Human Impact on Modern Selection
- 8
The Deep Mechanics of Life
- The Selfish Gene Perspective
- Epigenetics: How Environment Leaves a Mark
- The Limits of Adaptation
- The Future of Directed Evolution
8 sections · 34 units · 170 levels. Built to play, not to enroll.
You pick the voice
The Living Puzzle: Mastering Evolution is taught in the The Storyteller style: every lesson is a story. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
More Science on Tomo
Mastering Primate Taxonomy
Go beyond basic identification to master the complex evolutionary lineages and morphological nuances of the order Primates. From field identification to molecular phylogenetics, become an expert in the diversity of our closest relatives.
The Science of Superstars
Discover the invisible forces that connect everything from a perfect soccer goal to the birth of a distant star. Learn how the same laws of physics govern your favorite snacks, elite athletes, and the entire universe.
Making Heavy Metal Fly
Ever wondered how a massive steel tube stays in the sky? Discover the simple tricks of air and speed that turn heavy planes into graceful gliders.
How Heavy Planes Stay Up
Ever wondered how a massive metal tube carrying hundreds of people stays in the sky? Discover the simple tricks pilots use to turn air into a solid support system.
Mind-Bending Science: From Chaos to Cosmos
Explore the wildest ideas in the universe, from cats that are both dead and alive to the invisible forces shaping our planet and beyond. Master the mysteries that keep even the world's smartest scientists awake at night.
Master Your Mind
Unlock the secrets of your brain to change your habits, manage stress, and learn faster. Discover how your gray matter reshapes itself every time you think, feel, or act.
Start The Living Puzzle: Mastering Evolution today.
Download Tomo, search The Living Puzzle: Mastering Evolution, and play your first lesson in under a minute.