Trending Scientific Theories in Brazil — September 2026
The 100 most-viewed scientific theories on Wikipedia, September 2026 (Portuguese-language edition). Ranked by real-world attention. Top: anarchism. Data as of 24 October 2026.
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- September 2026 · Data as of 24 October 2026
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- 100 scientific theories — drawn from 1,337,957 articles Wikipedia recorded views for in this window
This counts a Wikipedia language edition, not a country's residents — Measured from the Portuguese-language Wikipedia edition — readers worldwide, not residents of Brazil. Nothing here is capped or sampled: it is every view Wikipedia published for these articles in the window. Rows carrying a 📰 badge add news coverage from GDELT; entity names and types come from Wikidata. Looking for what one country read? That is what the world reads — a different, capped measurement.
Where this data comes from ›100
Ranked
36,150
Total Views (September 2026)
1
anarchism
a philosophy, movement, and political ideology that holds that any government, like the state, is undesirable, unnecessary, and harmful
5,298
views
views
2
flat Earth
archaic conception of the Earth's shape
5,172
views
views
3
Big Bang
hypothetical begin of the Universe through expansion out of an infinitely small and infinitely dense state
3,546
views
views
4
Fermi paradox
apparent contradiction between the lack of evidence and high probability estimates for the existence of extraterrestrial civilizations
1,490
views
views
5
race
nonscientific human classification system primarily based on physical appearance
1,266
views
views
6
general relativity
standard and classical physics theory of gravity and space
1,176
views
views
7
accelerationism
political philosophy that the prevailing system of capitalism should be expanded in order to generate radical social change
1,158
views
views
8
heliocentrism
astronomical model in which the Earth and planets revolve around a relatively stationary Sun at the center of the Solar System
938
views
views
9
cell theory
scientific theory that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells
937
views
views
10
technofeudalism
political theory
809
views
views
11
uncertainty principle
fundamental principle in quantum physics
776
views
views
12
meritocracy
political system in which capital is assigned on the basis of competence
676
views
views
13
infrared radiation
electromagnetic radiation with longer wavelengths than those of visible light
589
views
views
14
theory of relativity
two interrelated physics theories by Albert Einstein
552
views
views
15
continental drift
movement of Earth's continents relative to each other
537
views
views
16
spontaneous generation
disproven theory of life arising from nonliving matter
478
views
views
17
special relativity
physical theory of measurement in an inertial frame of reference proposed in 1905 by Albert Einstein
463
views
views
18
insanity
abnormal mental or behavioral patterns
446
views
views
19
miasma theory
obsolete medical theory about the transmission of disease through bad air
401
views
views
20
Dyson sphere
hypothetical megastructure, originally described by Freeman Dyson
392
views
views
21
Darwinism
theory of biological evolution driven by natural selection
389
views
views
22
Lamarckism
hypothesis that an organism can pass on characteristics that it has acquired through use or disuse during its lifetime to its offspring
374
views
views
23
Einstein field equations
field equations in general relativity
355
views
views
24
Coriolis force
apparent or fictitious force on objects moving within a reference frame that rotates with respect to an inertial frame
347
views
views
25
Bose–Einstein condensate
state of matter of a dilute gas of bosons cooled to temperatures very near absolute zero
332
views
views
26
foco
theory of revolution by way of guerrilla warfare
305
views
views
27
boson
quantum system invariant by exchange of two identical instances
295
views
views
28
spherical Earth
assertion that the Earth is (at least approximately) spherical
262
views
views
29
History of atomic theory
history of scientific theory that views matter as made up of atoms of chemical elements
222
views
views
30
modern evolutionary synthesis
early-20th-century scientific theory combining Darwinian evolution and Mendelian inheritance
211
views
views
31
vitalism
discredited scientific hypothesis
208
views
views
32
bricolage
construction or creation of a work from a diverse range of things that happen to be available, or a work created by such a process.
208
views
views
33
palingenetic ultranationalism
theory concerning generic fascism
201
views
views
34
germ theory of disease
prevailing theory about the cause of infectious diseases
198
views
views
35
domino theory
theory concerning the influence of Communism
196
views
views
36
free energy principle
hypothesis in neuroscience proposed by Karl Friston
175
views
views
37
Socialism in One Country
political theory by Joseph Stalin
174
views
views
38
Brønsted–Lowry acid–base theory
chemical theory defining acids and bases by transfer of protons (hydrons)
169
views
views
39
biogenesis
biological term that shows the view that living beings can develop only from other living beings
164
views
views
40
phlogiston theory
superseded scientific theory about combustion
163
views
views
41
capability approach
economic theory
157
views
views
42
von Mises yield criterion
concept in continuum mechanics
156
views
views
43
elite theory
theory of the state
155
views
views
44
kinetic theory
mathematical model explaining macroscopic properties of gases in microscopic terms
143
views
views
45
flood geology
attempt to interpret and reconcile geological features of the Earth in accordance with a literal belief in the global flood described in Genesis
120
views
views
46
Gallicanism
the belief that popular civil authority—often represented by the monarchs' authority or the state's authority—over the Catholic Church is comparable to that of the Pope's
118
views
views
47
Aristotelian physics
natural sciences as described by Aristotle
116
views
views
48
big lie
gross distortion or misrepresentation of the truth
113
views
views
49
probability axioms
axioms that are relevant to the probability theory
112
views
views
50
Realism
international relations theory
109
views
views
51
nutation
type of motion in astronomy. A component of the rotating motion of a planet under the influence of gravitational pull by moons, other planets or the central star
108
views
views
52
Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era
a political theory attributed to Xi Jinping, the General Secretary of the Chinese Communist Party
102
views
views
53
trickle-down economics
economic theory
100
views
views
54
Kurgan hypothesis
theory of Indo-European origin
93
views
views
55
post-Marxism
trend in political philosophy and social theory
92
views
views
56
libertarian communalism
libertarian socialist theory
83
views
views
57
iron law of oligarchy
Political theory claiming that all organizations will eventually become oligarchic
82
views
views
58
Fresnel zone
region of space involved in radio propagation between a transmitting and receiving antenna
80
views
views
59
Three Worlds Theory
Maoist interpretation and formulation of international relations
77
views
views
60
rotating black hole
black hole with angular momentum
76
views
views
61
Fermi–Dirac statistics
behaviour of many identical fermions, particles with half-integer spin
75
views
views
62
contractualism
moral theory
75
views
views
63
Third International Theory
theory of governance proposed by Muammar Gaddafi
74
views
views
64
Bose-Einstein statistics
statistical description for the behaviour of bosons
73
views
views
65
refrigerator mother theory
discredited historical theory that autistic spectrum disorders are caused by a lack of parental emotional warmth
72
views
views
66
axial tilt
angle between the rotational axis and orbital axis of a body
71
views
views
67
Dirac sea
ground state of a fermionic field; thought of as a "sea" of negative-energy states that have been all filled in, thus rendering the vaccum stable
65
views
views
68
Reflexology
psychological theory
63
views
views
69
killer ape theory
theory that war and interpersonal aggression was the driving force behind human evolution
63
views
views
70
extended evolutionary synthesis
set of theoretical concepts argued to be more comprehensive than the earlier modern synthesis of evolutionary biology that took place between 1918 and 1942
61
views
views
71
band theory
model of electronic structure in solids
60
views
views
72
neorealism
concept in international relations
59
views
views
73
principal–agent problem
conflict of interest when one agent makes decisions on another's behalf
59
views
views
74
preformationism
formerly-popular theory that organisms develop from miniature versions of themselves
57
views
views
75
voting paradox (Condorcet)
Marquis de Condorcet's observation regarding times when voters' collective preferences are cyclic, even when voters' individual preferences are not
50
views
views
76
perturbation theory
quantum mechanics
48
views
views
77
Duverger's law
principle in political science
47
views
views
78
Boveri–Sutton chromosome theory
theory
46
views
views
79
HIV/AIDS denialism
unsubstantiated denial of the scientific fact that HIV causes AIDS
46
views
views
80
insular biogeography
field within biogeography that examines the factors that affect the species richness and diversification of isolated natural communities
46
views
views
81
Regalism
doctrine and political practice, predominant in Europe during the 17th and 18th centuries, that defended the superiority of the king's power over the Catholic Church
44
views
views
82
triarchic theory of intelligence
theory of human intelligence formulated by Robert Sternberg
44
views
views
83
optical aberration
phenomenon in astronomy
42
views
views
84
Madman theory
feature of Richard Nixon's foreign policy
38
views
views
85
orthogenesis
obsolete biological hypothesis that organisms have an innate tendency to evolve towards some goal
38
views
views
86
pangenesis
Darwin's hypothetical mechanism for heredity
38
views
views
87
democratic peace theory
theory which posits that democracies are hesitant to engage in armed conflict with other identified democracies
37
views
views
88
two-nation theory
political ideology that, in the Indian subcontinent, Hindus and Muslims comprise separate nations
37
views
views
89
Semiotic theory of complexity
scientific theory
36
views
views
90
devolution
process of evolving from a complex organism to a simpler organism
36
views
views
91
Mars ocean theory
theory that nearly a third of the surface of Mars was covered by an ocean of liquid water early in the planet’s geologic history
35
views
views
92
tidal acceleration
cause of tidal locking
35
views
views
93
Maxwell–Boltzmann statistics
statistical distribution used in many-particle mechanics
34
views
views
94
gene-centered view of evolution
since heritable information is passed from generation to generation almost exclusively by DNA, natural selection and evolution are best considered from the perspective of genes
32
views
views
95
withering away of the state
concept coined by Engels that, with the realization of socialism, the state will become obsolete and disappear as the society will govern itself without coercive enforcement of the law
31
views
views
96
didymium
chemical compound
30
views
views
97
isospin
quantum number related to the weak interaction
29
views
views
98
Penrose process
theorical process wherein energy can be extracted from a rotating black hole
28
views
views
99
caloric theory
obsolete scientific theory of heat flow
28
views
views
100
Penrose diagram
two-dimensional diagram that captures the causal relations between different points in spacetime
28
views
views