Disciplines
engineering (47.49) #100 (Worldwide) #56 (USA)
mechanical engineering (32.93) #32 (Worldwide) #19 (USA)
civil engineering (32.68) #40 (Worldwide) #21 (USA)
electrical engineering (28.74) #61 (Worldwide) #39 (USA)
metallurgy (23.91) #101 (Worldwide) #38 (USA)
aviation (22.37) #265 (Worldwide) #139 (USA)
industrial engineering (20.49) #70 (Worldwide) #44 (USA)
aerospace engineering (20.33) #166 (Worldwide) #93 (USA)
materials science (19.76) #112 (Worldwide) #60 (USA)
automotive engineering (19.01) #40 (Worldwide) #10 (USA)
environmental engineering (18.87) #188 (Worldwide) #115 (USA)
space science (18.86) #107 (Worldwide) #56 (USA)
earthquake engineering (18.84) #27 (Worldwide) #12 (USA)
cybernetics (18.82) #172 (Worldwide) #71 (USA)
mining engineering (18.80) #52 (Worldwide) #26 (USA)
robotics (18.80) #460 (Worldwide) #193 (USA)
bioengineering (18.80) #71 (Worldwide) #53 (USA)
systems engineering (18.79) #297 (Worldwide) #151 (USA)
electronic engineering (18.78) #264 (Worldwide) #105 (USA)
construction engineering (18.78) #59 (Worldwide) #28 (USA)
control theory (18.78) #107 (Worldwide) #54 (USA)
photonics (18.78) #189 (Worldwide) #78 (USA)
quality control (18.78) #196 (Worldwide) #94 (USA)
biomaterials (18.77) #271 (Worldwide) #130 (USA)
semiconductors (18.77) #382 (Worldwide) #169 (USA)
business (44.50) #97 (Worldwide) #72 (USA)
management (27.38) #126 (Worldwide) #82 (USA)
entrepreneurship (24.42) #162 (Worldwide) #94 (USA)
accounting (23.03) #100 (Worldwide) #72 (USA)
finance (22.13) #155 (Worldwide) #92 (USA)
sales (21.06) #39 (Worldwide) #31 (USA)
marketing (18.96) #85 (Worldwide) #65 (USA)
supply chain management (18.78) #119 (Worldwide) #80 (USA)
international business (18.78) #224 (Worldwide) #109 (USA)
risk management (18.78) #197 (Worldwide) #122 (USA)
logistics (18.77) #487 (Worldwide) #220 (USA)
law (42.33) #361 (Worldwide) #196 (USA)
jurisprudence (24.15) #275 (Worldwide) #105 (USA)
environmental law (18.78) #186 (Worldwide) #124 (USA)
property law (18.78) #205 (Worldwide) #117 (USA)
criminal law (18.78) #303 (Worldwide) #126 (USA)
constitutional law (18.78) #338 (Worldwide) #176 (USA)
corporate law (18.78) #306 (Worldwide) #192 (USA)
international law (18.77) #608 (Worldwide) #253 (USA)
tax law (18.77) #394 (Worldwide) #261 (USA)
civil law (18.77) #494 (Worldwide) #189 (USA)
common law (18.77) #390 (Worldwide) #187 (USA)
economics (39.07) #240 (Worldwide) #101 (USA)
econometrics (19.00) #77 (Worldwide) #42 (USA)
environmental economics (18.79) #82 (Worldwide) #36 (USA)
international economics (18.78) #223 (Worldwide) #82 (USA)
labor economics (18.78) #191 (Worldwide) #104 (USA)
financial economics (18.78) #172 (Worldwide) #85 (USA)
public finance (18.77) #438 (Worldwide) #165 (USA)
neoclassical economics (18.77) #384 (Worldwide) #165 (USA)
macroeconomics (18.77) #764 (Worldwide) #287 (USA)
microeconomics (18.77) #522 (Worldwide) #224 (USA)
history (34.24) #524 (Worldwide) #211 (USA)
modern history (19.09) #758 (Worldwide) #269 (USA)
european history (18.87) #407 (Worldwide) #189 (USA)
economic history (18.84) #697 (Worldwide) #278 (USA)
american history (18.78) #242 (Worldwide) #186 (USA)
political history (18.77) #387 (Worldwide) #128 (USA)
australian history (18.77) #193 (Worldwide) #68 (USA)
environmental history (18.77) #334 (Worldwide) #172 (USA)
intellectual history (18.77) #538 (Worldwide) #250 (USA)
world history (18.77) #611 (Worldwide) #252 (USA)
ancient history (18.77) #633 (Worldwide) #241 (USA)
mathematics (33.17) #285 (Worldwide) #90 (USA)
statistics (20.59) #399 (Worldwide) #135 (USA)
actuarial science (20.26) #66 (Worldwide) #23 (USA)
topology (19.13) #333 (Worldwide) #114 (USA)
logic (18.93) #236 (Worldwide) #85 (USA)
game theory (18.80) #48 (Worldwide) #22 (USA)
operations research (18.80) #67 (Worldwide) #36 (USA)
systems analysis (18.78) #118 (Worldwide) #48 (USA)
geometry (18.78) #299 (Worldwide) #98 (USA)
algebraic topology (18.78) #149 (Worldwide) #53 (USA)
applied mathematics (18.78) #244 (Worldwide) #74 (USA)
mathematical finance (18.78) #164 (Worldwide) #58 (USA)
complex analysis (18.78) #196 (Worldwide) #51 (USA)
complexity theory (18.78) #190 (Worldwide) #74 (USA)
measure theory (18.78) #182 (Worldwide) #55 (USA)
algebra (18.78) #359 (Worldwide) #114 (USA)
set theory (18.78) #176 (Worldwide) #62 (USA)
combinatorics (18.77) #285 (Worldwide) #93 (USA)
number theory (18.77) #294 (Worldwide) #77 (USA)
graph theory (18.77) #344 (Worldwide) #116 (USA)
algebraic geometry (18.77) #305 (Worldwide) #86 (USA)
differential topology (18.77) #265 (Worldwide) #99 (USA)
group theory (18.77) #354 (Worldwide) #112 (USA)
field theory (18.77) #293 (Worldwide) #87 (USA)
ring theory (18.77) #287 (Worldwide) #102 (USA)
differential equations (18.77) #495 (Worldwide) #156 (USA)
linear algebra (18.77) #418 (Worldwide) #152 (USA)
real analysis (18.77) #319 (Worldwide) #107 (USA)
probability theory (18.77) #431 (Worldwide) #146 (USA)
mathematical physics (18.77) #460 (Worldwide) #133 (USA)
functional analysis (18.77) #467 (Worldwide) #153 (USA)
differential geometry (18.77) #554 (Worldwide) #191 (USA)
chemistry (32.37) #317 (Worldwide) #123 (USA)
chemical engineering (23.49) #90 (Worldwide) #52 (USA)
physical chemistry (19.20) #265 (Worldwide) #96 (USA)
cheminformatics (18.91) #12 (Worldwide) #6 (USA)
pharmacology (18.87) #551 (Worldwide) #197 (USA)
organic chemistry (18.79) #319 (Worldwide) #137 (USA)
polymer chemistry (18.77) #247 (Worldwide) #109 (USA)
inorganic chemistry (18.77) #362 (Worldwide) #137 (USA)
analytical chemistry (18.77) #368 (Worldwide) #162 (USA)
physics (31.16) #341 (Worldwide) #115 (USA)
astronomy (22.29) #489 (Worldwide) #191 (USA)
nuclear physics (19.38) #318 (Worldwide) #107 (USA)
cosmology (18.82) #380 (Worldwide) #126 (USA)
biophysics (18.82) #541 (Worldwide) #181 (USA)
planetary science (18.80) #310 (Worldwide) #152 (USA)
astrophysics (18.77) #972 (Worldwide) #344 (USA)
philosophy (29.30) #383 (Worldwide) #139 (USA)
ethics (18.91) #384 (Worldwide) #157 (USA)
epistemology (18.83) #408 (Worldwide) #156 (USA)
analytic philosophy (18.83) #217 (Worldwide) #86 (USA)
metaphysics (18.80) #249 (Worldwide) #92 (USA)
animal rights (18.78) #399 (Worldwide) #185 (USA)
teleology (18.78) #193 (Worldwide) #75 (USA)
applied ethics (18.78) #275 (Worldwide) #133 (USA)
eastern philosophy (18.77) #236 (Worldwide) #85 (USA)
ancient philosophy (18.77) #208 (Worldwide) #84 (USA)
bioethics (18.77) #367 (Worldwide) #172 (USA)
ontology (18.77) #402 (Worldwide) #139 (USA)
consequentialism (18.77) #240 (Worldwide) #109 (USA)
aesthetics (18.77) #373 (Worldwide) #127 (USA)
virtue ethics (18.77) #330 (Worldwide) #160 (USA)
modern philosophy (18.77) #376 (Worldwide) #131 (USA)
mathematical logic (18.77) #320 (Worldwide) #115 (USA)
scholasticism (18.77) #391 (Worldwide) #141 (USA)
continental philosophy (18.77) #552 (Worldwide) #209 (USA)
social philosophy (18.77) #549 (Worldwide) #215 (USA)
aristotelianism (18.77) #343 (Worldwide) #123 (USA)
platonism (18.77) #468 (Worldwide) #178 (USA)
marxism (18.77) #546 (Worldwide) #173 (USA)
libertarianism (18.77) #446 (Worldwide) #201 (USA)
computer science (26.26) #372 (Worldwide) #181 (USA)
programming (18.90) #687 (Worldwide) #316 (USA)
computer graphics (18.81) #42 (Worldwide) #34 (USA)
human-computer interaction (18.80) #49 (Worldwide) #37 (USA)
computational physics (18.79) #62 (Worldwide) #42 (USA)
internet security (18.79) #73 (Worldwide) #53 (USA)
informatics (18.78) #180 (Worldwide) #61 (USA)
operating systems (18.78) #205 (Worldwide) #120 (USA)
networking (18.77) #268 (Worldwide) #152 (USA)
information systems (18.77) #337 (Worldwide) #144 (USA)
information theory (18.77) #215 (Worldwide) #100 (USA)
computer architecture (18.77) #307 (Worldwide) #159 (USA)
algorithms (18.77) #444 (Worldwide) #180 (USA)
database (18.77) #452 (Worldwide) #218 (USA)
computer engineering (18.77) #303 (Worldwide) #164 (USA)
data structure (18.77) #313 (Worldwide) #154 (USA)
information technology (18.77) #639 (Worldwide) #271 (USA)
psychology (26.17) #381 (Worldwide) #202 (USA)
social psychology (19.03) #186 (Worldwide) #91 (USA)
educational psychology (18.86) #309 (Worldwide) #183 (USA)
applied psychology (18.79) #85 (Worldwide) #48 (USA)
evolutionary psychology (18.78) #120 (Worldwide) #75 (USA)
experimental psychology (18.78) #193 (Worldwide) #101 (USA)
behavioral neuroscience (18.78) #177 (Worldwide) #111 (USA)
psychometrics (18.78) #217 (Worldwide) #133 (USA)
cognitive psychology (18.77) #356 (Worldwide) #181 (USA)
neuropsychology (18.77) #336 (Worldwide) #174 (USA)
developmental psychology (18.77) #366 (Worldwide) #201 (USA)
psychoanalysis (18.77) #588 (Worldwide) #308 (USA)
biology (25.60) #384 (Worldwide) #144 (USA)
paleontology (26.39) #187 (Worldwide) #90 (USA)
botany (24.66) #421 (Worldwide) #152 (USA)
biochemistry (23.46) #326 (Worldwide) #120 (USA)
physiology (21.22) #288 (Worldwide) #110 (USA)
immunology (20.27) #269 (Worldwide) #104 (USA)
zoology (20.22) #762 (Worldwide) #311 (USA)
microbiology (19.95) #493 (Worldwide) #186 (USA)
neuroscience (19.75) #442 (Worldwide) #178 (USA)
evolutionary biology (19.64) #124 (Worldwide) #59 (USA)
genetics (19.51) #569 (Worldwide) #226 (USA)
anatomy (19.20) #522 (Worldwide) #202 (USA)
ecology (19.18) #632 (Worldwide) #260 (USA)
molecular biology (19.08) #520 (Worldwide) #195 (USA)
pathology (18.99) #715 (Worldwide) #280 (USA)
marine biology (18.97) #357 (Worldwide) #155 (USA)
parasitology (18.97) #391 (Worldwide) #136 (USA)
cell biology (18.97) #291 (Worldwide) #118 (USA)
endocrinology (18.91) #395 (Worldwide) #176 (USA)
origin of life (18.80) #47 (Worldwide) #24 (USA)
developmental biology (18.79) #320 (Worldwide) #126 (USA)
histology (18.79) #489 (Worldwide) #208 (USA)
biotechnology (18.78) #910 (Worldwide) #299 (USA)
systems biology (18.77) #255 (Worldwide) #109 (USA)
systematics (18.77) #1,049 (Worldwide) #453 (USA)
political science (25.33) #417 (Worldwide) #161 (USA)
human rights (24.92) #191 (Worldwide) #61 (USA)
public policy (18.78) #154 (Worldwide) #92 (USA)
international affairs (18.77) #340 (Worldwide) #158 (USA)
government (18.77) #613 (Worldwide) #229 (USA)
political economy (18.77) #387 (Worldwide) #168 (USA)
sociology (20.37) #823 (Worldwide) #345 (USA)
sociobiology (18.79) #99 (Worldwide) #49 (USA)
organizational studies (18.79) #103 (Worldwide) #62 (USA)
conflict theory (18.78) #118 (Worldwide) #73 (USA)
earth sciences (19.68) #135 (Worldwide) #46 (USA)
geophysics (28.38) #30 (Worldwide) #16 (USA)
geodesy (26.90) #38 (Worldwide) #7 (USA)
mineralogy (24.87) #91 (Worldwide) #27 (USA)
meteorology (21.95) #224 (Worldwide) #104 (USA)
volcanology (21.61) #51 (Worldwide) #22 (USA)
geography (21.17) #367 (Worldwide) #114 (USA)
hydrology (20.49) #77 (Worldwide) #23 (USA)
atmospheric sciences (19.83) #39 (Worldwide) #29 (USA)
petrology (19.01) #96 (Worldwide) #34 (USA)
tectonics (18.79) #71 (Worldwide) #25 (USA)
physical geography (18.77) #184 (Worldwide) #51 (USA)
communication (18.78) #319 (Worldwide) #178 (USA)
journalism (41.08) #258 (Worldwide) #141 (USA)
public speaking (19.09) #329 (Worldwide) #202 (USA)
rhetoric (18.82) #620 (Worldwide) #320 (USA)
health (18.77) #426 (Worldwide) #186 (USA)
dentistry (29.44) #68 (Worldwide) #46 (USA)
surgery (24.29) #438 (Worldwide) #172 (USA)
gynecology (20.91) #187 (Worldwide) #87 (USA)
obstetrics (20.03) #266 (Worldwide) #108 (USA)
orthodontics (19.70) #74 (Worldwide) #49 (USA)
plastic surgery (19.23) #183 (Worldwide) #81 (USA)
toxicology (18.85) #284 (Worldwide) #128 (USA)
oncology (18.78) #495 (Worldwide) #206 (USA)
mental health (18.78) #183 (Worldwide) #94 (USA)
religious studies (18.77) #1,274 (Worldwide) #682 (USA)
ministry (18.77) #1,042 (Worldwide) #576 (USA)
literature (18.77) #1,054 (Worldwide) #426 (USA)
writing (40.61) #797 (Worldwide) #387 (USA)
literary criticism (21.04) #818 (Worldwide) #307 (USA)
classical studies (19.07) #450 (Worldwide) #218 (USA)
philology (19.01) #1,111 (Worldwide) #359 (USA)
literary theory (18.85) #601 (Worldwide) #229 (USA)
grammar (18.83) #886 (Worldwide) #317 (USA)
etymology (18.78) #847 (Worldwide) #327 (USA)
mythology (18.77) #733 (Worldwide) #316 (USA)