How scientifically literate are you?
A read across bio, chem, physics, and probability.
Start the quiz →What this quiz explores
Scientific literacy isn't one thing. Some people reason fluently about living systems and freeze at a probability question; some can estimate an order of magnitude in their head and have no feel for what a cell is doing. This finds which domain your instincts belong to, and where the gap is.
How it works
The quiz has 4 possible results. Each answer option was written to lean toward one of them.
Your result is the one your answers pointed to most often. Skipped questions, and the occasional answer that does not lean toward any result, are not counted.
Alongside the result you see your answer profile: the share of your answers that pointed to each result. Close percentages mean you sit between two results, which is common.
Four scientific instincts
The Biologist's Instinct
You reason about the world as a set of living systems with histories, which is the most useful instinct for daily life and the least quantitative.
Mechanism and origin first, was it in mice, branching trees, and a natural reach for selection as an explanation. The misunderstanding that annoys you most is people thinking evolution has a goal. You think about risk biologically and you'd explain anything to a child using an animal. Your gap is the maths, by your own account. That matters more in biology than people expect: modern biology is heavily statistical, and the difference between a real effect and a noisy one is where most of the interesting arguments now sit. The physics gap also constrains you, since a lot of biology is downstream of energy budgets and scaling laws. What would help most: one book on statistical reasoning rather than statistics, and one on biological scaling. Geoffrey West's Scale is the bridge between your instinct and the physical constraints you're missing.
The Physicist's Instinct
You think in scales, magnitudes, and constraints, and you can estimate things you have no business estimating.
Orders of magnitude, models with units, energy as the natural word, and free body diagrams. Maths is the language rather than a tool. Anything about behaviour is what you find counterintuitive, and taxonomy is where you get lost. Your gap is biology, which you may be underrating as descriptive. It isn't: living systems are the hardest modelling problem there is, precisely because they're contingent and historical rather than derivable from first principles. Physicists who move into biology characteristically underestimate that, and it's the same instinct that makes you impatient with the messiness. What would help most: read biology as history rather than as classification. Nick Lane on the origin of complex life is written for exactly your instincts, and it will show you why the messiness is the interesting part rather than the obstacle.
The Chemist's Instinct
You think in substances, structures, and dose, which is the most practically applicable science and the most publicly misunderstood.
What's it made of and what's it reacting with. Reaction pathways, bond as the natural word, and a real interest in materials, food, and industry. The misunderstanding that annoys you most is the idea that "chemical" means bad, and the most useful idea for daily life is that dose makes the poison. You're right about both, and chemistry is the domain where public reasoning is worst: the same substance is treated as dangerous or benign depending on whether it has a long name, and almost no consumer health claim survives contact with the question of what compound and how much. Your gap is probability, which is the one that would sharpen everything else. Almost every claim you're well placed to interrogate arrives wrapped in a study, and the question of whether a result is real is separate from the question of whether the chemistry makes sense. One book on statistical reasoning would be the highest-value thing you could read.
The Statistician's Instinct
You think in base rates, distributions, and error bars, which is the rarest of the four and the one that protects you most.
Sample size first, confidence intervals, base rates for estimation, and coincidences as expected given how many chances there were. You'd give a rough probability rather than say you don't know. Correlation and causation is the confusion that annoys you most. This is the most transferable instinct on the list. Most bad reasoning in public life is statistical rather than domain-specific, and the positive test question in this quiz trips up a majority of people including many doctors. Being fluent here is worth more in daily decisions than the other three combined. Your gap is that a well-designed study of a mechanism that can't work is still worthless, and mechanism is what the other three instincts supply. Chemistry is the most useful one to borrow, since dose and compound are where most health claims fail before the statistics get a chance to. One book on physiology or pharmacology would close it.
What this quiz can’t tell you
- It tests recall of the specific questions asked, in one sitting. It is not a measure of intelligence or of how much you know about the wider subject.
- Question selection reflects editorial choices. A different set of questions on the same topic could place you differently.
Read more about how our quizzes are created, including how scoring works and what we do and do not claim.