What is a
scientist, exactly?
A scientist is a person who uses a systematic method to gather facts, test ideas, and discover new information about how the universe works — building our understanding of the world by asking questions, running experiments, and analyzing data.
Homo scientificus
Distinguishing traits: relentless curiosity, tolerance for being wrong, obsessive note-taking. Habitat: laboratories, field sites, observatories, and — increasingly — spreadsheets.
The Scientific Method
02 — PROCESSObserving
Noticing something interesting or unexplained in nature.
Hypothesizing
Making an educated guess to explain the observation.
Experimenting
Designing controlled tests to see if the guess is right.
Analyzing
Looking closely at the results to draw a conclusion.
Sharing
Writing reports so other scientists can double-check the work.
Main Types of Scientists
03 — TAXONOMYPhysical Scientists
Study non-living systems — matter, energy, and space.
Life Scientists
Study living things, from plants to microorganisms.
Earth Scientists
Study our planet — its structure, weather, and climate.
Social Scientists
Study human behavior and the societies we build.
Famous Historical Scientists
04 — ARCHIVEIsaac Newton
Laws of gravity and motion
17th century
Marie Curie
Pioneering research on radioactivity; discovered two new elements
Late 19th–early 20th century
Albert Einstein
Theory of relativity, reshaping our view of time and space
20th century
Charles Darwin
Theory of evolution by natural selection
19th century
Ada Lovelace
Recognized as the world's first computer programmer
19th century