Wikipedia:WikiProject Portals/Vital portals level 2

The vital portals system follows the vital articles system and is based loosely on powers of ten. At level 2, there are about 100.

History (9 portals)

 * Portal:History of the world
 * Portal:Ancient history
 * Portal:Civilization
 * Portal:History
 * Portal:History of art
 * Portal:History of science
 * Portal:Modern history
 * Portal:Post-classical history
 * Portal:Prehistory

Geography (11 portals)

 * Portal:Africa
 * Portal:Asia
 * Portal:Cities
 * Portal:Countries
 * Portal:Europe
 * Portal:Geography
 * Portal:Land
 * Portal:North America
 * Portal:Oceania
 * Portal:Sea
 * Portal:South America

Arts (7 portals)

 * Portal:The arts
 * Portal:Architecture
 * Portal:Film
 * Portal:Literature
 * Portal:Music
 * Portal:Performing arts
 * Portal:Visual arts

Philosophy and religion (6 portals)

 * Portal:Ethics
 * Portal:Knowledge
 * Portal:Logic
 * Portal:Folklore
 * Portal:Philosophy
 * Portal:Religions

Everyday life (8 portals)

 * Portal:Clothing
 * Portal:Entertainment
 * Portal:Ethnic groups
 * Portal:Families
 * Portal:Food
 * Portal:Homes
 * Portal:Human sexuality
 * Portal:Sports

Society and social sciences (19 portals)

 * Portal:Culture
 * Portal:Languages
 * Portal:Agriculture
 * Portal:Business
 * Portal:Communication
 * Portal:Community
 * Portal:Construction
 * Portal:Education
 * Portal:Emotions
 * Portal:Government
 * Portal:Industry
 * Portal:Law
 * Portal:Mind
 * Portal:Politics
 * Portal:Psychology
 * Portal:Society
 * Portal:Trade
 * Portal:Wars
 * Portal:Writing

Science and medicine (27 portals)

 * Portal:Earth
 * Portal:Humans
 * Portal:Life
 * Portal:Science
 * Portal:Anatomy
 * Portal:Animals
 * Portal:Astronomy
 * Portal:Atoms
 * Portal:Biology
 * Portal:Cells (biology)
 * Portal:Chemical elements
 * Portal:Chemistry
 * Portal:Climate
 * Portal:Death
 * Portal:Diseases
 * Portal:Ecology
 * Portal:Energy
 * Portal:Evolution
 * Portal:Geology
 * Portal:Medicine
 * Portal:Nature
 * Portal:Physics
 * Portal:Plants
 * Portal:Solar System
 * Portal:Sun
 * Portal:Time
 * Portal:Universe
 * Portal:Water

Technology (8 portals)

 * Portal:Technology
 * Portal:Books
 * Portal:Computers
 * Portal:Electricity
 * Portal:Engineering
 * Portal:Fire
 * Portal:Tools
 * Portal:Transport

Mathematics (5 portals)

 * Portal:Mathematics
 * Portal:Arithmetic
 * Portal:Geometry
 * Portal:Numbers
 * Portal:Statistics