Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: a theory that explains scientific observations
"scientific theories must be falsifiable";
Within this category: big-bang theory, nebular hypothesis, planetesimal hypothesis, theory of gravitation, organicism, atomic theory, cell theory, wave theory, corpuscular theory, kinetic theory, relativity, supersymmetry, quantum theory, uncertainty principle, germ theory, information theory, theory of dissociation, theory of evolution, theory of indicators, theory of inheritance, associationism, atomism, functionalism, Gestalt psychology, game theory